{"id":62,"date":"2021-07-23T10:28:21","date_gmt":"2021-07-23T04:58:21","guid":{"rendered":"http:\/\/mcq-questions.com\/?p=62"},"modified":"2022-03-02T10:24:47","modified_gmt":"2022-03-02T04:54:47","slug":"ncert-solutions-for-class-10-science-chapter-2-hindi","status":"publish","type":"post","link":"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-chapter-2-hindi\/","title":{"rendered":"NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium)"},"content":{"rendered":"<h2>NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium)<\/h2>\n<p>These Solutions are part of <a href=\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-hindi\/\">NCERT Solutions for Class 10 Science in Hindi Medium<\/a>. Here we have given NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts.<\/p>\n<p><strong>Chapter 2. \u0905\u092e\u094d\u0932, \u0915\u094d\u0937\u093e\u0930 \u090f\u0935\u0902 \u0932\u0935\u0923<\/strong><\/p>\n<div>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\"><strong>\u0905\u0927\u094d\u092f\u093e\u092f-\u0938\u092e\u0940\u0915\u094d\u0937\u093e:<\/strong><\/span><\/p>\n<ul>\n<li>\u0905\u092e\u094d\u0932 \u0938\u094d\u0935\u093e\u0926 \u092e\u0947\u0902 \u0916\u091f\u094d\u091f\u0947 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902 |<\/li>\n<li>\u0915\u094d\u0937\u093e\u0930 \u0938\u094d\u0935\u093e\u0926 \u092e\u0947\u0902 \u0915\u095c\u0935\u0947 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902 |<\/li>\n<li>\u0905\u092e\u094d\u0932 \u090f\u0935\u0902\u00a0\u0915\u094d\u0937\u093e\u0930 \u0915\u0940 \u091c\u093e\u0901\u091a \u0915\u0947 \u0915\u093f\u090f \u0906\u092a \u0938\u0902\u0936\u094d\u0932\u0947\u0937\u093f\u0924 \u0938\u0942\u091a\u0915 \u091c\u0948\u0938\u0947 \u092e\u0947\u0925\u093f\u0932\u00a0\u0911\u0930\u0947\u0902\u091c \u090f\u0935\u0902 \u092b\u093f\u0928\u093e\u0932\u094d\u092b\u0925\u0947\u0932\u093f\u0928 \u0915\u093e \u092d\u0940 \u0909\u092a\u092f\u094b\u0917 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902 \u00a0|<\/li>\n<li>\u0915\u0941\u091b \u0910\u0938\u0947 \u092a\u0926\u093e\u0930\u094d\u0925 \u0939\u094b\u0924\u0947 \u0939\u0948 \u091c\u093f\u0938\u0915\u0940 \u0917\u0902\u0927 \u0905\u092e\u094d\u0932\u0940\u092f \u092f\u093e \u00a0\u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f \u092e\u093e\u0927\u094d\u092f\u092e \u092e\u0947\u0902 \u092c\u0926\u0932 \u091c\u093e\u0924\u0940 \u0939\u0948 | \u0907\u0928\u094d\u0939\u0947 \u0917\u0902\u0927\u0940\u092f \u0938\u0942\u091a\u0915 \u0915\u0939\u0924\u0947 \u0939\u0948\u0902 |<\/li>\n<li>\u00a0\u0915\u094d\u0937\u093e\u0930 \u090f\u0935\u0902 \u0905\u092e\u094d\u0932 \u0915\u0940 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e 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\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0906\u092f\u0928 H+ \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0902 |<\/li>\n<li>\u091c\u0932 \u0915\u0940 \u0909\u092a\u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 HCI \u092e\u0947\u0902 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0906\u092f\u0928 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902 |<\/li>\n<li>\u0905\u092e\u094d\u0932-\u0915\u094d\u0937\u093e\u0930\u0915 \u0938\u0942\u091a\u0915 \u0930\u0902\u091c\u0915 \u092f\u093e \u0930\u0902\u091c\u0915\u094b\u0902 \u0915\u0947\u00a0\u092e\u093f\u0936\u094d\u0930\u0923 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902 \u091c\u093f\u0928\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0905\u092e\u094d\u0932 \u090f\u0935\u0902 \u0915\u094d\u0937\u093e\u0930\u0915 \u0915\u0940 \u0909\u092a\u0938\u094d\u0925\u093f\u0924\u093f \u0915\u094b \u0938\u0942\u091a\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947\u00a0\u0932\u093f\u090f \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 H<sup>+<\/sup>\u00a0(aq)\u00a0\u0906\u092f\u0928 \u0915\u0947\u00a0\u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u0947\u00a0\u0915\u093e\u0930\u0923 \u0939\u0940 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u0940 \u092a\u094d\u0930\u0915\u0943\u0924\u093f \u0905\u092e\u094d\u0932\u0940\u092f \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 OH<sup>\u2013<\/sup>\u00a0(aq)\u00a0\u0906\u092f\u0928 \u0915\u0947\u00a0\u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0938\u0947 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u0940 \u092a\u094d\u0930\u0915\u0943\u0924\u093f \u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/li>\n<li>\u091c\u092c \u0915\u094b\u0908 \u0905\u092e\u094d\u0932 \u0915\u093f\u0938\u0940 \u0927\u093e\u0924\u0941 \u0915\u0947\u00a0\u0938\u093e\u0925 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948 \u0924\u094b \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0917\u0948\u0938 \u0915\u093e \u0909\u0924\u094d\u0938\u0930\u094d\u091c\u0928 \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u0938\u093e\u0925 \u0939\u0940 \u0938\u0902\u0917\u0924 \u0932\u0935\u0923 \u0915\u093e \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u091c\u092c \u0915\u094d\u0937\u093e\u0930\u0915 \u0915\u093f\u0938\u0940 \u0927\u093e\u0924\u0941 \u0938\u0947 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948 \u0924\u094b \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0917\u0948\u0938 \u0915\u0947\u00a0\u0909\u0924\u094d\u0938\u0930\u094d\u091c\u0928 \u0915\u0947\u00a0\u0938\u093e\u0925 \u090f\u0915 \u0932\u0935\u0923 \u0915\u093e \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0939\u094b\u0924\u093e \u0939\u0948 \u091c\u093f\u0938\u0915\u093e \u090b\u0923\u00a0\u0906\u092f\u0928 \u090f\u0915 \u0927\u093e\u0924\u0941\u00a0\u090f\u0935\u0902 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0915\u0947\u00a0\u092a\u0930\u092e\u093e\u0923\u0941\u0913\u0902 \u0938\u0947 \u0938\u0902\u092f\u0941\u0915\u094d\u0924 \u0930\u0942\u092a \u0938\u0947 \u0928\u093f\u0930\u094d\u092e\u093f\u0924 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u091c\u092c \u0905\u092e\u094d\u0932 \u0915\u093f\u0938\u0940 \u0927\u093e\u0924\u0941 \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f \u092f\u093e \u0927\u093e\u0924\u0941 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928\u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f \u0938\u0947 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948 \u0924\u094b \u092f\u0939 \u0938\u0902\u0917\u0924 \u0932\u0935\u0923 \u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 \u0917\u0948\u0938 \u090f\u0935\u0902 \u091c\u0932 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u091c\u0932 \u092e\u0947\u0902 \u0905\u092e\u094d\u0932\u0940\u092f \u090f\u0935\u0902 \u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f \u0935\u093f\u0932\u092f\u0928 \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0915\u093e \u091a\u093e\u0932\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u092f\u0947 \u0915\u094d\u0930\u092e\u0936\u0903 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u090f\u0935\u0902 \u0939\u093e\u0907\u0921\u094d\u0930\u0949\u0915\u094d\u0938\u093e\u0907\u0921 \u0906\u092f\u0928 \u0915\u093e \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/li>\n<li>\u0905\u092e\u094d\u0932 \u092f\u093e \u0915\u094d\u0937\u093e\u0930\u0915 \u0915\u0940 \u092a\u094d\u0930\u092c\u0932\u0924\u093e \u0915\u0940 \u091c\u093e\u0901\u091a pH (0-14) \u0938\u094d\u0915\u0947\u0932 \u0915\u0947 \u0909\u092a\u092f\u094b\u0917 \u0938\u0947 \u0915\u0940 \u091c\u093e \u0938\u0915\u0924\u0940 \u0939\u0948 \u091c\u094b \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0906\u092f\u0928 \u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u0915\u0940 \u092e\u093e\u092a \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u090f\u0915 \u0909\u0926\u093e\u0938\u0940\u0928 \u0935\u093f\u0932\u092f\u0928 \u0915\u0947\u00a0pH \u0915\u093e \u092e\u093e\u0928 7 \u0939\u094b\u0924\u093e \u0939\u0948 \u091c\u092c\u0915\u093f \u0905\u092e\u094d\u0932\u0940\u092f \u0935\u093f\u0932\u092f\u0928 \u0915\u0947 pH\u00a0\u0915\u093e \u092e\u093e\u0928 7 \u0938\u0947 \u0915\u092e \u090f\u0935\u0902 \u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f \u0935\u093f\u0932\u092f\u0928 \u0915\u0947 pH\u00a0\u0915\u093e \u092e\u093e\u0928 7 \u0938\u0947 \u0905\u0927\u093f\u0915 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u0938\u092d\u0940 \u091c\u0940\u0935\u094b\u0902 \u092e\u0947\u0902 \u0909\u092a\u093e\u092a\u091a\u092f \u0915\u0940 \u0915\u094d\u0930\u093f\u092f\u093e pH\u00a0\u0915\u0940 \u090f\u0915 \u0907\u0937\u094d\u091f\u0924\u092e \u0938\u0940\u092e\u093e \u092e\u0947\u0902 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/li>\n<li>\u0938\u093e\u0902\u0926\u094d\u0930 \u0905\u092e\u094d\u0932 \u092f\u093e \u0915\u094d\u0937\u093e\u0930\u0915 \u0915\u094b \u091c\u0932 \u0915\u0947\u00a0\u0938\u093e\u0925 \u092e\u093f\u0936\u094d\u0930\u093f\u0924 \u0915\u0930\u0928\u093e \u090f\u0915 \u0905\u0924\u094d\u092f\u0928\u094d\u0924 \u090a\u0937\u094d\u092e\u093e\u0915\u094d\u0937\u0947\u092a\u0940 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0939\u0948\u0964 \u0905\u092e\u094d\u0932 \u0915\u094b \u091c\u0932 \u092e\u0947\u0902 \u092e\u093f\u0932\u093e\u0924\u0947 \u0938\u092e\u092f \u0938\u093e\u0935\u0927\u093e\u0928\u093f\u092f\u093e\u0901 \u0930\u0916\u0928\u0940 \u091a\u093e\u0939\u093f\u090f| \u0905\u092e\u094d\u0932 \u092e\u0947\u0902 \u0925\u094b\u0921\u093e \u0925\u094b\u0921\u093e \u0915\u0930\u0915\u0947 \u091c\u0932 \u092e\u093f\u0932\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u091c\u0932 \u092e\u0947\u0902 \u0905\u092e\u094d\u0932 \u0928\u0939\u0940\u0902 \u092e\u093f\u0932\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f |<\/li>\n<li>\u0905\u092e\u094d\u0932 \u090f\u0935\u0902 \u0915\u094d\u0937\u093e\u0930\u0915 \u090f\u0915-\u0926\u0942\u0938\u0930\u0947 \u0915\u094b \u0909\u0926\u093e\u0938\u0940\u0928 \u0915\u0930\u0915\u0947\u00a0\u0932\u0935\u0923 \u090f\u0935\u0902 \u091c\u0932 \u0915\u093e \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964<\/li>\n<li>\u0932\u0935\u0923 \u0915\u0947\u00a0\u090f\u0915 \u0938\u0942\u0924\u094d\u0930\u00a0\u0907\u0915\u093e\u0908 \u092e\u0947\u0902 \u091c\u0932 \u0915\u0947 \u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0905\u0923\u0941\u0913\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u0915\u094b \u0915\u094d\u0930\u093f\u0938\u094d\u091f\u0932\u0928 \u0915\u093e \u091c\u0932 \u0915\u0939\u0924\u0947 \u0939\u0948\u0902\u0964<\/li>\n<li>\u0939\u092e\u093e\u0930\u0947 \u0926\u0948\u0928\u093f\u0915 \u091c\u0940\u0935\u0928 \u090f\u0935\u0902 \u0909\u0926\u094d\u092f\u094b\u0917\u094b\u0902 \u092e\u0947\u0902 \u0932\u0935\u0923 \u0915\u0947\u00a0\u0915\u0908 \u0909\u092a\u092f\u094b\u0917 \u0939\u0948\u0902\u0964<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\"><strong>\u0905\u0927\u094d\u092f\u093e\u092f 2<\/strong><\/span><\/p>\n<p><strong>Page 24:<\/strong><\/p>\n<p><strong>Q1. \u092a\u0940\u0924\u0932 \u090f\u0935\u0902 \u0924\u093e\u0901\u092c\u0947 \u0915\u0947\u00a0\u092c\u0930\u094d\u0924\u0928\u094b\u0902 \u092e\u0947\u0902 \u0926\u0939\u0940 \u090f\u0935\u0902 \u0916\u091f\u094d\u091f\u0947 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u094d\u092f\u094b\u0902 \u0928\u0939\u0940\u0902 \u0930\u0916\u0928\u0947 \u091a\u093e\u0939\u093f\u090f?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u092a\u0940\u0924\u0932 \u090f\u0935\u0902 \u0924\u093e\u0901\u092c\u0947 \u0915\u0947\u00a0\u092c\u0930\u094d\u0924\u0928\u094b\u0902 \u092e\u0947\u0902 \u0926\u0939\u0940 \u090f\u0935\u0902 \u0916\u091f\u094d\u091f\u0947 \u092a\u0926\u093e\u0930\u094d\u0925 \u0907\u0938\u0932\u093f\u090f\u00a0\u0928\u0939\u0940\u0902 \u0930\u0916\u0928\u0947 \u091a\u093e\u0939\u093f\u090f \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0926\u0939\u0940 \u092e\u0947\u0902 \u092e\u094c\u091c\u0942\u0926 \u0932\u0948\u0915\u094d\u091f\u093f\u0915 \u0905\u092e\u094d\u0932 \u0939\u094b\u0924\u0947 \u0939\u0948 | \u091c\u094b\u00a0\u092a\u0940\u0924\u0932 \u090f\u0935\u0902 \u0924\u093e\u0901\u092c\u0947 \u0915\u0947\u00a0\u092c\u0930\u094d\u0924\u0928\u094b\u0902 \u0938\u0947 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0915\u0947 \u0939\u093e\u0928\u093f\u0915\u093e\u0930\u0915 \u00a0 ( \u0935\u093f\u0937\u0948\u0932\u093e ) \u092f\u094c\u0917\u093f\u0915 \u092c\u0928\u093e\u0924\u0947 \u0939\u0948 | \u091c\u093f\u0938\u0915\u0947 \u0915\u093e\u0930\u0923\u0935\u0936 \u092f\u0947 \u0916\u093e\u0928\u0947 \u0932\u093e\u092f\u0915 \u0928\u0939\u0940\u0902 \u0930\u0939 \u091c\u093e\u0924\u0947 \u0939\u0948 |<\/p>\n<p><strong>Q2. \u0927\u093e\u0924\u0941 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092e\u094d\u0932 \u0915\u093f \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0939\u094b\u0928\u0947 \u092a\u0930\u00a0\u0938\u093e\u092e\u093e\u0928\u094d\u092f\u0924\u0903 \u0915\u094c\u0928 \u0938\u0940 \u0917\u0948\u0938 \u0928\u093f\u0915\u0932\u0924\u0940 \u0939\u0948? \u090f\u0915\u00a0\u0909\u0926\u093e\u0939\u0930\u0923 \u0915\u0947\u00a0\u0926\u094d\u0935\u093e\u0930\u093e \u0938\u092e\u091d\u093e\u0907\u090f\u0964 \u0907\u0938 \u0917\u0948\u0938 \u0915\u0940 \u0909\u092a\u0938\u094d\u0925\u093f\u0924\u093f \u0915\u0940 \u091c\u093e\u0901\u091a \u0906\u092a \u0915\u0948\u0938\u0947\u00a0\u0915\u0930\u0947\u0902\u0917\u0947?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong>\u0927\u093e\u0924\u0941 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092e\u094d\u0932 \u0915\u093f \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0939\u094b\u0928\u0947 \u092a\u0930\u00a0\u0938\u093e\u092e\u093e\u0928\u094d\u092f\u0924\u0903 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928\u00a0\u0917\u0948\u0938 \u0928\u093f\u0915\u0932\u0924\u0940 \u0939\u0948|<\/p>\n<p>2NaOH + Zn \u00a0 = \u00a0 \u00a0Na<sub>2<\/sub>ZnO<sub>2<\/sub>\u00a0+ H<sub>2\u00a0<\/sub><\/p>\n<p>\u091c\u093e\u0901\u091a &#8211; \u091c\u0932\u0924\u0940 \u0939\u0941\u0908 \u092e\u094b\u092e\u092c\u0924\u0940 \u0915\u094b \u092a\u0930\u0916\u0928\u0932\u0940 \u0915\u0947 \u092e\u0941\u0902\u0939 \u0915\u0947 \u092a\u093e\u0938 \u0932\u0947 \u091c\u093e\u0928\u0947 \u092a\u0930 \u092b\u091f &#8211; \u092b\u091f \u0905\u0930\u094d\u0925\u093e\u0924\u094d \u092a\u0949\u092a \u0927\u094d\u0935\u0928\u093f \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0939\u094b\u0924\u0940 \u0939\u0948 |<\/p>\n<p><strong>Q3. \u0915\u094b\u0908 \u0927\u093e\u0924\u0941 \u092f\u094c\u0917\u093f\u0915 \u2018A\u2019 \u0924\u0928\u0941 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u0915\u0947\u00a0\u0938\u093e\u0925 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948 \u0924\u094b \u092c\u0941\u0926\u092c\u0941\u0926\u093e\u0939\u091f\u00a0\u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 \u0907\u0938\u0938\u0947 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0917\u0948\u0938 \u091c\u0932\u0924\u0940 \u092e\u094b\u092e\u092c\u0924\u094d\u0924\u0940 \u0915\u094b \u092c\u0941\u091d\u093e \u0926\u0947\u0924\u0940 \u0939\u0948\u0964 \u092f\u0926\u093f \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u092f\u094c\u0917\u093f\u0915\u094b\u0902 \u092e\u0947\u0902 \u090f\u0915\u00a0\u0938\u0947 \u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e \u0915\u094d\u0932\u094b\u0930\u093e\u0907\u0921 \u0939\u0948\u0902, \u0924\u094b \u0907\u0938 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947\u00a0\u0932\u093f\u090f \u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u092e\u0940\u0915\u0930\u0923 \u0932\u093f\u0916\u093f\u090f\u0964<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0927\u093e\u0924\u0941 \u0915\u0947 \u092f\u094c\u0917\u093f\u0915 \u2018A\u2019CaCO<sub>3<\/sub>\u00a0( \u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094c\u0928\u0947\u091f ) \u0939\u0948 |<\/p>\n<p>CaCO<sub>3 \u00a0<\/sub>(s) + 2HCl \u00a0(aq) \u00a0 \u00a0= \u00a0 \u00a0 CaCl<sub>2\u00a0<\/sub>\u00a0(aq) + CO<sub>2<\/sub>\u00a0(g) + H<sub>2<\/sub>O(l)<\/p>\n<p><strong>Page 27:<\/strong><\/p>\n<p><strong>Q1. HCl, HNO<sub>3<\/sub>\u00a0\u0906\u0926\u093f \u091c\u0932\u0940\u092f \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 \u0905\u092e\u094d\u0932\u0940\u092f \u0905\u092d\u093f\u0932\u0915\u094d\u0937\u0923 \u0915\u094d\u092f\u094b\u0902 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u091c\u092c\u0915\u093f \u0910\u0932\u094d\u0915\u094b\u0939\u0949\u0932\u00a0\u090f\u0935\u0902 \u0917\u094d\u0932\u0942\u0915\u094b\u091c\u093c \u091c\u0948\u0938\u0947 \u092f\u094c\u0917\u093f\u0915\u094b\u0902 \u0915\u0947\u00a0\u0935\u093f\u0932\u092f\u0928\u094b\u0902 \u092e\u0947\u0902 \u0905\u092e\u094d\u0932\u0940\u092f\u0924\u093e \u0915\u0947\u00a0\u0905\u092d\u093f\u0932\u0915\u094d\u0937\u0923 \u0928\u0939\u0940\u0902 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u093f\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930 :\u00a0<\/strong>HCl, HNO<sub>3<\/sub>\u00a0\u0906\u0926\u093f \u091c\u0932\u0940\u092f \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 H<sup>+<\/sup>\u0906\u092f\u0928 \u092c\u0928\u0924\u093e \u0939\u0948 \u091c\u093f\u0938\u0915\u0947 \u0915\u093e\u0930\u0923\u00a0\u092f\u0947\u00a0\u0905\u092e\u094d\u0932\u0940\u092f \u0905\u092d\u093f\u0932\u0915\u094d\u0937\u0923 \u0915\u094b\u00a0\u092a\u094d\u0930\u0926\u0930\u094d\u0936\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902, \u091c\u092c\u0915\u093f \u0910\u0932\u094d\u0915\u094b\u0939\u0949\u0932\u00a0\u090f\u0935\u0902 \u0917\u094d\u0932\u0942\u0915\u094b\u091c\u093c \u091c\u0948\u0938\u0947 \u092f\u094c\u0917\u093f\u0915\u094b\u0902 \u0915\u0947\u00a0\u0935\u093f\u0932\u092f\u0928\u094b\u0902 \u092e\u0947\u0902 H<sup>+<\/sup>\u0906\u092f\u0928 \u0928\u0939\u0940\u0902\u00a0\u092c\u0928\u0924\u093e \u0939\u0948\u00a0\u091c\u093f\u0938\u0915\u0947 \u0915\u093e\u0930\u0923\u00a0\u092f\u0947 \u0905\u092e\u094d\u0932\u0940\u092f\u0924\u093e \u0915\u0947\u00a0\u0905\u092d\u093f\u0932\u0915\u094d\u0937\u0923 \u0928\u0939\u0940\u0902 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u093f\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u00a0|<\/p>\n<p><strong>Q2. \u0905\u092e\u094d\u0932 \u0915\u093e \u091c\u0932\u0940\u092f \u0935\u093f\u0932\u092f\u0928 \u0915\u094d\u092f\u094b\u0902 \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0915\u093e \u091a\u093e\u0932\u0928 \u0915\u0930\u0924\u093e \u0939\u0948?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong>\u0905\u092e\u094d\u0932 \u0915\u093e \u091c\u0932\u0940\u092f \u0935\u093f\u0932\u092f\u0928\u00a0\u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0915\u093e \u091a\u093e\u0932\u0928 \u0915\u0930\u0924\u093e\u00a0\u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0905\u092e\u094d\u0932 \u091c\u0932\u0940\u092f \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902\u00a0H<sup>+<\/sup>\u0906\u092f\u0928 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u00a0\u091c\u093f\u0938\u0915\u0947 \u0915\u093e\u0930\u0923\u00a0\u092f\u0947\u00a0\u00a0\u0935\u093f\u0926\u094d\u092f\u0941\u0924\u094d \u0927\u093e\u0930\u093e \u0915\u093e \u092a\u094d\u0930\u0935\u093e\u0939 \u0939\u094b\u0924\u093e \u0939\u0948 \u00a0|<\/p>\n<p><strong>Q3. \u0936\u0941\u0937\u094d\u0915 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0917\u0948\u0938 \u0936\u0941\u0937\u094d\u0915 \u0932\u093f\u091f\u092e\u0938 \u092a\u0924\u094d\u0930\u00a0\u0915\u0947\u00a0\u0930\u0902\u0917 \u0915\u094b \u0915\u094d\u092f\u094b\u0902 \u0928\u0939\u0940\u0902 \u092c\u0926\u0932\u0924\u0940 \u0939\u0948?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong>\u0936\u0941\u0937\u094d\u0915 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0917\u0948\u0938 \u0936\u0941\u0937\u094d\u0915 \u0932\u093f\u091f\u092e\u0938 \u092a\u0924\u094d\u0930\u00a0\u0915\u0947\u00a0\u0930\u0902\u0917 \u0915\u094b \u00a0\u0928\u0939\u0940\u0902 \u092c\u0926\u0932\u0924\u0940 \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u091c\u0932 \u0915\u093f \u0905\u0928\u0941\u092a\u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 HCl \u0938\u0947\u00a0\u00a0H<sup>+<\/sup>\u0906\u092f\u0928\u00a0\u0909\u0924\u094d\u092a\u0928\u094d\u0928\u00a0\u0928\u0939\u0940\u0902 \u0939\u094b \u092a\u093e\u0924\u093e\u00a0\u0939\u0948 | \u0938\u093f\u0930\u094d\u092b\u00a0\u091c\u0932 \u0915\u093f \u0909\u092a\u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 HCl \u0938\u0947\u00a0\u00a0H<sup>+<\/sup>\u0906\u092f\u0928\u00a0\u0909\u0924\u094d\u092a\u0928\u094d\u0928\u00a0 \u0939\u094b\u0924\u093e\u00a0\u0939\u0948|<\/p>\n<p><strong>Q4. \u0905\u092e\u094d\u0932 \u0915\u094b \u0924\u0928\u0941\u0915\u0943\u0924 \u0915\u0930\u0924\u0947 \u0938\u092e\u092f \u092f\u0939 \u0915\u094d\u092f\u094b\u0902 \u0905\u0928\u0941\u0936\u0902\u0938\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u0915\u093f \u0905\u092e\u094d\u0932 \u0915\u094b \u091c\u0932 \u092e\u0947\u0902 \u092e\u093f\u0932\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f,\u0928 \u0915\u093f \u091c\u0932 \u0915\u094b \u0905\u092e\u094d\u0932 \u092e\u0947\u0902?\u00a0<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong>\u0905\u092e\u094d\u0932 \u0915\u094b\u00a0\u0924\u0928\u0941\u0915\u0943\u0924 \u0915\u0930\u0924\u0947 \u0938\u092e\u092f \u092f\u0939 \u0905\u0928\u0941\u0936\u0902\u0938\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u0915\u093f \u0905\u092e\u094d\u0932 \u0915\u094b \u091c\u0932 \u092e\u0947\u0902 \u092e\u093f\u0932\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f,\u0928 \u0915\u093f \u091c\u0932 \u0915\u094b \u0905\u092e\u094d\u0932 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u091c\u0932 \u0915\u094b \u0938\u093e\u0902\u0926\u094d\u0930 \u0905\u092e\u094d\u0932 \u092e\u0947\u0902 \u092e\u093f\u0932\u0928\u0947 \u0938\u0947 \u0935\u0939 \u0924\u0940\u0935\u094d\u0930 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930 \u0935\u093f\u0938\u094d\u092b\u094b\u091f \u0915\u0930\u0924\u0947 \u0939\u0948 | \u0907\u0938\u0915\u0947 \u0915\u0908 \u0926\u0941\u0937\u094d\u092a\u0930\u093f\u0923\u093e\u092e \u0939\u094b \u0938\u0915\u0924\u0947 \u0939\u0948 | \u0907\u0938\u0932\u093f\u090f \u0939\u092e\u0947\u0902 \u0915\u092d\u0940 \u092d\u0940 \u091c\u0932 \u0915\u094b \u0905\u092e\u094d\u0932 \u092e\u0947\u0902 \u0928\u0939\u0940\u0902 \u092e\u093f\u0932\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u092c\u0932\u094d\u0915\u093f \u0939\u092e\u0947\u0902\u00a0\u00a0\u0905\u092e\u094d\u0932 \u0915\u094b \u091c\u0932 \u092e\u0947\u0902 \u092e\u093f\u0932\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f|<\/p>\n<p><strong>Q5. \u0905\u092e\u094d\u0932 \u0915\u0947\u00a0\u0935\u093f\u0932\u092f\u0928 \u0915\u094b \u0924\u0928\u0941\u0915\u0943\u0924 \u0915\u0930\u0924\u0947 \u0938\u092e\u092f \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0928\u093f\u092f\u092e \u0906\u092f\u0928 H<sub>3<\/sub>O<sup>+<\/sup>\u00a0\u0915\u0940 \u0938\u0902l\u0926\u094d\u0930\u0924\u093e \u0915\u0948\u0938\u0947\u00a0\u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924\u00a0\u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0905\u092e\u094d\u0932 \u0915\u0947 \u0935\u093f\u0932\u092f\u0928 \u0915\u094b \u0924\u0928\u0941\u0915\u0943\u0924 \u0915\u0930\u0924\u0947 \u0938\u092e\u092f \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0928\u093f\u092f\u092e \u0906\u092f\u0928 \u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u092e\u0947\u0902 (H<sub>3<\/sub>O<sup>+<\/sup>\/OH<sup>&#8211;<\/sup>)\u00a0 \u092a\u094d\u0930\u0924\u093f \u0907\u0915\u093e\u0908 \u0906\u092f\u0924\u0928 \u092e\u0947\u0902 \u0915\u092e\u0940 \u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948 \u0964<\/p>\n<p><strong>Q6. \u091c\u092c \u0938\u094b\u0921\u093f\u092f\u092e \u0939\u093e\u0907\u0921\u094d\u0930\u0949\u0915\u094d\u0938\u093e\u0907\u0921 \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u0915\u094d\u0937\u093e\u0930\u0915 \u092e\u093f\u0932\u093e\u0924\u0947 \u0939\u0948\u0902 \u0924\u094b \u0939\u093e\u0907\u0921\u094d\u0930\u0949\u0915\u094d\u0938\u093e\u0907\u0921 \u0906\u092f\u0928 (OH<sup>&#8211;<\/sup>)\u00a0\u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u0915\u0948\u0938\u0947\u00a0\u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0939\u094b\u0924\u0940 \u0939\u0948?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0938\u093e\u0907\u0921 \u0906\u092f\u0928 (OH<sup>&#8211;<\/sup>) \u0915\u0940\u00a0\u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u092c\u095d \u091c\u093e\u0924\u0940 \u0939\u0948 |<\/p>\n<p><strong>Page 31:<\/strong><\/p>\n<p><strong>Q1. \u0906\u092a\u0915\u0947\u00a0\u092a\u093e\u0938 \u0926\u094b \u0935\u093f\u0932\u092f\u0928 \u2018A\u2019 \u090f\u0935\u0902 \u2018B\u2019 \u0939\u0948\u0902\u0964 \u0935\u093f\u0932\u092f\u0928 \u2018A\u2019 \u0915\u0947\u00a0<sub>P<\/sub>H\u00a0\u0915\u093e \u092e\u093e\u0928 6 \u0939\u0948 \u090f\u0935\u0902 \u0935\u093f\u0932\u092f\u0928\u00a0\u2018B\u2019\u00a0\u00a0\u0915\u0947\u00a0<sub>P<\/sub>H\u00a0\u0915\u093e \u092e\u093e\u0928 8 \u0939\u0948\u0964 \u0915\u093f\u0938 \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0906\u092f\u0928 \u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u0905\u0927\u093f\u0915 \u0939\u0948? \u0907\u0928\u092e\u0947\u0902\u00a0\u0938\u0947 \u0915\u094c\u0928 \u0905\u092e\u094d\u0932\u0940\u092f \u0939\u0948 \u0924\u0925\u093e \u0915\u094c\u0928 \u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0A \u00a0\u0935\u093f\u0932\u092f\u0928 :\u00a0<sub>P<\/sub>H = 6 ,\u00a0<sub>P<\/sub>H &lt; 7<\/p>\n<p>B\u00a0\u00a0\u0935\u093f\u0932\u092f\u0928 :\u00a0<sub>P<\/sub>H = 8\u00a0,\u00a0<sub>P<\/sub>H &gt;\u00a07<\/p>\n<p>A \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 H<sup>+\u00a0<\/sup>\u0906\u092f\u0928 \u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u0905\u0927\u093f\u0915 \u0939\u0948 |<\/p>\n<p><strong>Q2. H<sup>+<\/sup>(aq) \u0906\u092f\u0928 \u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u0915\u093e \u0935\u093f\u0932\u092f\u0928 \u0915\u0940 \u092a\u094d\u0930\u0915\u0943\u0924\u093f \u092a\u0930 \u0915\u094d\u092f\u093e \u092a\u094d\u0930\u092d\u093e\u0935 \u092a\u0921\u093c\u0924\u093e \u0939\u0948?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u091c\u0948\u0938\u0947 &#8211; \u091c\u0948\u0938\u0947 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0906\u092f\u0928 H<sup>+\u00a0<\/sup>(aq) \u0906\u092f\u0928 \u0915\u093f \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u092c\u0922\u0924\u0940 \u0939\u0948 \u0935\u093f\u0932\u092f\u0928\u00a0\u0914\u0930 \u0905\u0927\u093f\u0915 \u0905\u092e\u094d\u0932 \u0939\u094b\u0924\u093e \u0939\u0948 |<\/p>\n<p><strong>Q3. \u0915\u094d\u092f\u093e \u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902\u00a0H<sup>+<\/sup>\u200b(aq)\u00a0\u0906\u092f\u0928 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902? \u0905\u0917\u0930 \u0939\u093e\u0901, \u0924\u094b \u092f\u0939 \u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f \u0915\u094d\u092f\u094b\u0902 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0939\u093e\u0902, H<sup>+<\/sup>\u00a0\u0906\u092f\u0928 \u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f \u0939\u0948 \u092a\u0930\u0928\u094d\u0924\u0941 \u0907\u0938\u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e (OH<sup>&#8211;<\/sup>) \u0906\u092f\u0928\u094b\u0902 \u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u0938\u0947 \u0915\u092e \u0939\u094b\u0924\u0940 \u0907\u0938\u0932\u093f\u090f \u092f\u0939 \u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f \u0939\u094b\u0924\u0947 \u0939\u0948 |<\/p>\n<p><strong>Q4. \u0915\u094b\u0908 \u0915\u093f\u0938\u093e\u0928 \u0916\u0947\u0924 \u0915\u0940 \u092e\u0943\u0926\u093e \u0915\u0940 \u0915\u093f\u0938 \u092a\u0930\u093f\u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u092c\u093f\u0928\u093e \u092c\u0941\u091d\u093e \u0939\u0941\u0906 \u091a\u0942\u0928\u093e (\u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e<br \/>\n\u0911\u0915\u094d\u0938\u093e\u0907\u0921 ), \u092c\u0941\u091d\u093e \u0939\u0941\u0906 \u091a\u0942\u0928\u093e (\u00a0\u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u0949\u0915\u094d\u0938\u093e\u0907\u0921) \u092f\u093e \u091a\u0949\u0915 \u00a0(\u00a0\u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e\u00a0\u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f )\u00a0\u0915\u093e\u00a0\u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0917\u093e?\u00a0<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0915\u094b\u0908 \u0915\u093f\u0938\u093e\u0928 \u0916\u0947\u0924 \u0915\u0940 \u092e\u0943\u0926\u093e \u0915\u0940 \u0905\u092e\u094d\u0932\u0940\u092f\u00a0\u092a\u0930\u093f\u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u092c\u093f\u0928\u093e \u092c\u0941\u091d\u093e \u0939\u0941\u0906 \u091a\u0942\u0928\u093e (\u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e<br \/>\n\u0911\u0915\u094d\u0938\u093e\u0907\u0921), \u092c\u0941\u091d\u093e \u0939\u0941\u0906 \u091a\u0942\u0928\u093e (\u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e \u0939\u093e\u0907\u0921\u094d\u0930\u0949\u0915\u094d\u0938\u093e\u0907\u0921)\u00a0\u092f\u093e \u091a\u0949\u0915 (\u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f)\u00a0\u0915\u093e\u00a0\u0909\u092a\u092f\u094b\u0917 \u092e\u093f\u091f\u094d\u091f\u0940 \u0915\u094b \u0909\u0926\u093e\u0938\u0940\u0928 \u092c\u0928\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u0930\u0947\u0917\u093e |<\/p>\n<p><strong>Page 36 :<\/strong><\/p>\n<p><strong>Q1.CaOCl<sub>2<\/sub>\u00a0\u092f\u094c\u0917\u093f\u0915 \u0915\u093e \u092a\u094d\u0930\u091a\u0932\u093f\u0924 \u0928\u093e\u092e \u0915\u094d\u092f\u093e \u0939\u0948?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930 :<\/strong>\u00a0CaOCl<sub>2<\/sub>\u00a0\u092f\u094c\u0917\u093f\u0915 \u0915\u093e \u092a\u094d\u0930\u091a\u0932\u093f\u0924 \u0928\u093e\u092e\u00a0\u0935\u093f\u0930\u0902\u091c\u0915 \u091a\u0942\u0930\u094d\u0923\u00a0\u00a0\u0939\u0948|<\/p>\n<p><strong>Q2. \u0909\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u093e \u0928\u093e\u092e \u092c\u0924\u093e\u0907\u090f \u091c\u094b \u0915\u094d\u0932\u094b\u0930\u0940\u0928 \u0938\u0947 \u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0915\u0947\u00a0\u0935\u093f\u0930\u0902\u091c\u0915 \u091a\u0942\u0930\u094d\u0923 \u092c\u0928\u093e\u0924\u093e \u0939\u0948\u0964<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0936\u0941\u0937\u094d\u0915 \u092c\u0941\u091d\u093e \u0939\u0941\u0906 \u091a\u0942\u0928\u093e\u00a0|<\/p>\n<p><strong>Q3. \u0915\u0920\u094b\u0930 \u091c\u0932 \u0915\u094b \u092e\u0943\u0926\u0941 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u0938 \u0938\u094b\u0921\u093f\u092f\u092e \u092f\u094c\u0917\u093f\u0915 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948?\u00a0<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930 :\u00a0<\/strong>\u0915\u0920\u094b\u0930 \u091c\u0932 \u0915\u094b \u092e\u0943\u0926\u0941 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0938\u094b\u0921\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094c\u0928\u0947\u091f \u091c\u093f\u0938\u0947 \u0927\u094b\u0928\u0947 \u00a0\u0915\u093e \u0938\u094b\u0921\u093e \u092d\u0940 \u0915\u0939\u0924\u0947 \u0939\u0948 |<\/p>\n<p><strong>Q4. \u0938\u094b\u0921\u093f\u092f\u092e \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928\u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f \u0915\u0947 \u0935\u093f\u0932\u092f\u0928 \u0915\u094b \u0917\u0930\u094d\u092e \u0915\u0930\u0928\u0947 \u092a\u0930 \u0915\u094d\u092f\u093e \u0939\u094b\u0917\u093e? \u0907\u0938 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u0932\u093f\u090f\u00a0\u0938\u092e\u0940\u0915\u0930\u0923 \u0932\u093f\u0916\u093f\u090f|<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong>\u0938\u094b\u0921\u093f\u092f\u092e \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928\u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f\u00a0\u0915\u0947\u00a0\u0935\u093f\u0932\u092f\u0928 \u0915\u094b \u0917\u0930\u094d\u092e \u0915\u0930\u0928\u0947 \u092a\u0930 \u0928\u093f\u092e\u094d\u0928 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e\u00a0\u0939\u094b\u0917\u093e-<br \/>\n<img loading=\"lazy\" src=\"https:\/\/i1.wp.com\/farm2.staticflickr.com\/1828\/43461717051_0a0c49ccd2_o.jpg?resize=348%2C37&#038;ssl=1\" alt=\"NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) 1\" width=\"348\" height=\"37\" data-recalc-dims=\"1\" \/><\/p>\n<p><strong>Q5. \u092a\u094d\u0932\u093e\u0938\u094d\u091f\u0930 \u0911\u092a\u092b \u092a\u0947\u0930\u093f\u0938 \u0915\u0940 \u091c\u0932\u00a0\u0915\u0947\u00a0\u00a0\u0938\u093e\u0925 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e\u00a0\u00a0\u0915\u0947\u00a0\u0932\u093f\u090f \u0938\u092e\u0940\u0915\u0930\u0923 \u0932\u093f\u0916\u093f\u090f\u0964<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0CaSO<sub>4 .\u00a0<\/sub>\u00bdH<sub>2<\/sub>O + 1\u00bd\u00a0H<sub>2<\/sub>O\u00a0 =\u00a0CaSO<sub>4 .\u00a02<\/sub>\u00a0H<sub>2<\/sub>O<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\"><strong>\u0905\u092d\u094d\u092f\u093e\u0938<\/strong><\/span><\/p>\n<p><strong>Q1.\u00a0\u0915\u094b\u0908 \u0935\u093f\u0932\u092f\u0928 \u0932\u093e\u0932 \u0932\u093f\u091f\u092e\u0938 \u0915\u094b \u0928\u0940\u0932\u093e \u0915\u0930 \u0926\u0947\u0924\u093e \u0939\u0948, \u0907\u0938\u0915\u093e pH \u0938\u0902\u092d\u0935\u0924\u0903 \u0915\u094d\u092f\u093e \u0939\u094b\u0917\u093e?<\/strong><\/p>\n<p>(a) 1<br \/>\n(b) 4<br \/>\n(c) 5<br \/>\n(d) 10<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0(d) 10<\/p>\n<p><strong>Q2.\u00a0\u0915\u094b\u0908 \u0935\u093f\u0932\u092f\u0928 \u0905\u0902\u0921\u0947 \u0915\u0947 \u092a\u093f\u0938\u0947 \u0939\u0941\u090f \u0915\u0935\u091a \u0938\u0947 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930 \u090f\u0915 \u0917\u0948\u0938 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u093e \u0939\u0948 \u091c\u094b \u091a\u0942\u0928\u0947 \u0915\u0947 \u092a\u093e\u0928\u0940\u00a0\u0915\u094b \u0926\u0941\u0927\u093f\u092f\u093e \u0915\u0930 \u0926\u0947\u0924\u0940 \u0939\u0948\u0964 \u0907\u0938 \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 \u0915\u094d\u092f\u093e \u0939\u094b\u0917\u093e?<\/strong><\/p>\n<p>(a) NaCl<br \/>\n(b) HCl<br \/>\n(c) LiCl<br \/>\n(d) KCl<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0(b) HCl<\/p>\n<p><strong>Q3. NaOH\u00a0\u0915\u093e 10 ml \u0935\u093f\u0932\u092f\u0928, HCl\u00a0\u0915\u0947 8 mL \u0935\u093f\u0932\u092f\u0928 \u0938\u0947 \u092a\u0942\u0930\u094d\u0923\u0924\u0903 \u0909\u0926\u093e\u0938\u0940\u0928 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f \u0939\u092e\u00a0NaOH \u0915\u0947\u00a0\u0909\u0938\u0940 \u0935\u093f\u0932\u092f\u0928 \u0915\u093e 20 mL \u0932\u0947\u0902 \u0924\u094b \u0907\u0938\u0947 \u0909\u0926\u093e\u0938\u0940\u0928 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f HCl \u0915\u0947\u00a0\u0909\u0938\u0940 \u0935\u093f\u0932\u092f\u0928\u00a0\u0915\u0940 \u0915\u093f\u0924\u0928\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0917\u0940?<\/strong><\/p>\n<p>(a) 4 mL<br \/>\n(b) 8 mL<br \/>\n(c) 12 mL<br \/>\n(d) 16 mL<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0(d) 16 mL<\/p>\n<p><strong>Q4. \u0905\u092a\u091a \u0915\u093e \u0909\u092a\u091a\u093e\u0930 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0938\u0947 \u0915\u093f\u0938 \u0914\u0937\u0927\u093f \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0939\u094b\u0924\u093e \u0939\u0948 ?\u00a0<\/strong><\/p>\n<p>(a) \u090f\u0902\u091f\u0940\u092c\u093e\u092f\u094b\u091f\u093f\u0915 (\u092a\u094d\u0930\u0924\u093f\u091c\u0948\u0935\u093f\u0915)<br \/>\n(b) \u090f\u0928\u093e\u0932\u091c\u0947\u0938\u093f\u0915 (\u092a\u0940\u095c\u093e\u0939\u093e\u0930\u0940)<br \/>\n(c) \u0910\u0928\u094d\u091f\u0948\u0938\u093f\u0921 (\u092a\u094d\u0930\u0924\u093f\u0905\u092e\u094d\u0932)<br \/>\n(d) \u090f\u0902\u091f\u0940\u0938\u0947\u092a\u094d\u091f\u093f\u0915 (\u0938\u0921\u0928\u0930\u094b\u0927\u0940)<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0(c) \u0910\u0928\u094d\u091f\u0948\u0938\u093f\u0921 (\u092a\u094d\u0930\u0924\u093f\u0905\u092e\u094d\u0932)<\/p>\n<p><strong>Q5.\u00a0\u0928\u093f\u092e\u094d\u0928 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u0932\u093f\u090f \u092a\u0939\u0932\u0947 \u0936\u092c\u094d\u0926-\u0938\u092e\u0940\u0915\u0930\u0923 \u0932\u093f\u0916\u093f\u090f \u0924\u0925\u093e \u0909\u0938\u0915\u0947 \u092c\u093e\u0926 \u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u0938\u092e\u0940\u0915\u0930\u0923 \u0932\u093f\u0916\u093f\u090f\u0903<\/strong><\/p>\n<p>(a)\u00a0\u00a0\u0924\u0928\u0941 \u0938\u0932\u094d\u092b\u094d\u0930\u093c\u092f\u0942\u0930\u093f\u0915 \u0905\u092e\u094d\u0932\u00a0\u0926\u093e\u0928\u0947\u0926\u093e\u0930 \u091c\u093f\u0902\u0915 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>(b)\u00a0\u0924\u0928\u0941 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u092e\u0948\u0917\u094d\u0928\u0940\u0936\u093f\u092f\u092e \u092a\u091f\u094d\u091f\u0940 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948\u0964<br \/>\n(c)\u00a0\u0924\u0928\u0941 \u0938\u0932\u094d\u092b\u094d\u0930\u093c\u092f\u0942\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u0910\u0932\u0941\u092e\u093f\u0928\u093f\u092f\u092e \u091a\u0942\u0930\u094d\u0923 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948\u0964<br \/>\n(d) \u0924\u0928\u0941 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u0932\u094c\u0939 \u0915\u0947 \u0930\u0947\u0924\u0928 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong><\/p>\n<p>(a) Zn (s) + H<sub>2<\/sub>SO<sub>4<\/sub>\u00a0(aq) = \u00a0ZnSO<sub>4<\/sub>\u00a0(aq) + H<sub>2<\/sub>\u00a0(g)<br \/>\n(b) Mg (s) + 2HCl (aq) \u00a0\u00a0= \u00a0 MgCl<sub>2<\/sub>\u00a0(aq) \u00a0+ H<sub>2<\/sub>\u00a0(g)<br \/>\n(c) 2Al (s)\u00a0+ 3H<sub>2<\/sub>SO<sub>4<\/sub>\u00a0(aq) = Al<sub>2<\/sub>(SO<sub>4<\/sub>)<sub>3<\/sub>\u00a0(aq)\u00a0+ H<sub>2<\/sub>\u00a0(g)<br \/>\n(d) Fe(s) + 2HCl (aq) \u00a0\u00a0= \u00a0 FeCl<sub>2<\/sub>\u00a0(aq) \u00a0+ H<sub>2<\/sub>\u00a0(g)<\/p>\n<p><strong>Q6. \u090f\u0932\u094d\u0915\u094b\u0939\u094b\u0932 \u090f\u0935\u0902 \u0917\u094d\u0932\u0942\u0915\u094b\u091c \u091c\u0948\u0938\u0947 \u092f\u094c\u0917\u093f\u0915\u094b \u092e\u0947\u0902 \u092d\u0940 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0939\u094b\u0924\u0947 \u0939\u0948 \u0932\u0947\u0915\u093f\u0928 \u0907\u0928\u0915\u093e \u0935\u0930\u094d\u0917\u0940\u0915\u0930\u0923 \u0905\u092e\u094d\u0932 \u0915\u093f \u0924\u0930\u0939 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e \u0939\u0948 | \u090f\u0915 \u0915\u094d\u0930\u093f\u092f\u093e\u0915\u0932\u093e\u092a \u0926\u094d\u0935\u093e\u0930\u093e \u0907\u0938\u0947 \u0938\u093e\u092c\u093f\u0924 \u0915\u0940\u091c\u093f\u090f |<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0917\u094d\u0932\u0942\u0915\u094b\u091c\u093c, \u0910\u0932\u094d\u0915\u094b\u0939\u0949\u0932, \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0905\u092e\u094d\u0932, \u0938\u0932\u094d\u092b\u094d\u0930\u092f\u0942\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u0906\u0926\u093f \u0915\u093e\u00a0\u0935\u093f\u0932\u092f\u0928\u00a0\u0932\u0940\u091c\u093f\u090f\u0964\u00a0\u090f\u0915 \u0915\u0949\u0930\u094d\u0915\u00a0\u092a\u0930 \u0926\u094b \u0915\u0940\u0932\u0947\u0902 \u0932\u0917\u093e\u0915\u0930 \u0915\u0949\u0930\u094d\u0915\u00a0\u0915\u094b 100 mL\u00a0\u0915\u0947\u00a0\u00a0\u092c\u0940\u0915\u0930 \u092e\u0947\u0902 \u0930\u0916 \u0926\u0940\u091c\u093f\u090f\u0964\u00a0\u0905\u092c \u0915\u093f\u0932\u094b\u0902 \u0915\u094b 6 \u0935\u094b\u0932\u094d\u091f \u0915\u0940 \u090f\u0915 \u092c\u0948\u091f\u0930\u0940 \u0915\u0947\u00a0\u00a0\u0926\u094b\u0928\u094b\u0902\u00a0\u091f\u0930\u094d\u092e\u093f\u0928\u0932\u094b \u0915\u0947 \u0938\u093e\u0925\u00a0\u090f\u0915 \u092c\u0932\u094d\u092c \u0924\u0925\u093e \u0938\u094d\u0935\u093f\u091a\u00a0\u0915\u0947\u00a0\u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947 \u091c\u094b\u0921\u093c \u0926\u0940\u091c\u093f\u090f |\u00a0\u0905\u092c \u092c\u0940\u0915\u0930 \u092e\u0947\u0902 \u0925\u094b\u0921\u093c\u093e \u0924\u0928\u0941 HCl\u00a0\u0921\u093e\u0932\u0915\u0930 \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0927\u093e\u0930\u093e \u092a\u094d\u0930\u0935\u093e\u0939\u093f\u0924\u00a0\u0915\u0940\u091c\u093f\u090f|\u00a0\u0907\u0938\u0940 \u0915\u094d\u0930\u093f\u092f\u093e \u0915\u094b \u0924\u0928\u0941 \u0938\u0932\u094d\u092b\u094d\u0930\u092f\u0942\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u0915\u0947\u00a0\u0938\u093e\u0925 \u0926\u094b\u0939\u0930\u093e\u0907\u090f\u0964\u00a0\u090f\u0932\u094d\u0915\u094b\u0939\u094b\u0932 \u090f\u0935\u0902 \u0917\u094d\u0932\u0942\u0915\u094b\u091c \u091c\u0948\u0938\u0947 \u092f\u094c\u0917\u093f\u0915\u094b \u092e\u0947\u0902 \u092d\u0940 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0939\u094b\u0924\u0947 \u0939\u0948 \u0932\u0947\u0915\u093f\u0928 \u0907\u0928\u0915\u093e \u0935\u0930\u094d\u0917\u0940\u0915\u0930\u0923 \u0905\u092e\u094d\u0932 \u0915\u093f \u0924\u0930\u0939 \u0928\u0939\u0940\u0902\u00a0\u0939\u094b\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u092f\u0947 H<sup>+\u00a0<\/sup>\u0906\u092f\u0928 \u0928\u0939\u0940\u0902 \u092c\u0928\u093e\u0924\u093e \u0939\u0948 |<\/p>\n<p><strong>Q7. \u0906\u0938\u0935\u093f\u0924 \u091c\u0932 \u0935\u093f\u0927\u0941\u0924 \u0915\u093e \u091a\u093e\u0932\u0915 \u0915\u094d\u092f\u094b\u0902\u00a0\u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e \u091c\u092c\u0915\u093f \u0935\u0930\u094d\u0937\u093e \u091c\u0932 \u0939\u094b\u0924\u093e \u0939\u0948 ?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930 :<\/strong>\u00a0\u0906\u0938\u0935\u093f\u0924 \u091c\u0932 \u0936\u0941\u0926\u094d\u0927 \u0939\u094b\u0924\u0947 \u0939\u0948 | \u0907\u0938\u0932\u093f\u090f \u0907\u0928\u092e\u0947 \u0935\u093f\u0927\u0941\u0924 \u0915\u093e \u091a\u093e\u0932\u0928 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0915\u093f \u0935\u093f\u0927\u0941\u0924 \u0915\u0947 \u091a\u093e\u0932\u0928 \u0915\u0947 \u0932\u093f\u090f \u0906\u092f\u0928\u094b\u0902 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948 | \u091c\u092c\u0915\u093f \u0935\u0930\u094d\u0937\u093e \u091c\u0932 \u092e\u0947\u0902 \u0935\u093f\u0927\u0941\u0924 \u0915\u093e \u091a\u093e\u0932\u0928 \u0939\u094b\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0915\u093f \u0907\u0938\u092e\u0947\u0902 \u0925\u094b\u095c\u0940 \u092e\u093e\u0924\u094d\u0930\u093e\u00a0\u092e\u0947\u0902 \u0905\u092e\u094d\u0932 \u0935\u093f\u0926\u094d\u092f\u092e\u093e\u0928 \u0930\u0939\u0924\u093e \u0939\u0948 | \u091c\u094b\u0902\u0915\u0940 \u0935\u093e\u092f\u0941 \u092e\u0947\u0902 \u0909\u092a\u0938\u094d\u0925\u093f\u0924 \u0938\u0932\u094d\u092b\u0930 &#8211; \u0921\u093e\u0907\u0906\u0915\u094d\u0938\u093e\u0907\u0921 \u0914\u0930 \u0928\u093e\u0907\u091f\u094d\u0930\u094b\u091c\u0928 \u0921\u093e\u0907\u0906\u0915\u094d\u0938\u093e\u0907\u0921 \u0915\u0947 \u0938\u093e\u0925 \u092e\u093f\u0932\u0915\u0930 \u0907\u0938\u0947 \u0905\u092e\u094d\u0932\u0940\u092f \u092c\u0928\u093e \u0926\u0947\u0924\u0947 \u0939\u0948 |\u0905\u092e\u094d\u0932\u0940\u092f \u0939\u094b\u0928\u0947 \u0915\u0947 \u0915\u093e\u0930\u0923 \u092f\u0947 H<sup>+<\/sup>\u00a0\u0906\u092f\u0928 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948 \u091c\u093f\u0938\u0915\u0947 \u0915\u093e\u0930\u0923 \u0935\u093f\u0927\u0941\u0924 \u0915\u093e \u091a\u093e\u0932\u0928 \u0939\u094b\u0924\u093e \u0939\u0948 |<\/p>\n<p><strong>Q8. \u091c\u0932 \u0915\u0940\u00a0\u0905\u0928\u0941\u092a\u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u0905\u092e\u094d\u0932\u00a0\u0915\u093e \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0905\u092e\u094d\u0932\u0940\u092f \u0915\u094d\u092f\u094b\u0902 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e \u0939\u0948 ?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930 :<\/strong>\u00a0\u00a0\u091c\u0932 \u0915\u0940\u00a0\u0905\u0928\u0941\u092a\u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u0905\u092e\u094d\u0932\u00a0\u0915\u093e \u0935\u094d\u092f\u0935\u0939\u093e\u0930 \u0905\u092e\u094d\u0932\u0940\u092f \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u091c\u0932 \u0915\u0940 \u0909\u092a\u0938\u094d\u0925\u093f\u0924\u093f \u092e\u0947\u0902 \u0939\u0940 H<sup>+<\/sup>\u0906\u092f\u0928 \u0905\u092e\u094d\u0932 \u0938\u0947 \u0905\u0932\u0917 \u0939\u094b\u0924\u0947 \u0939\u0948 |<\/p>\n<p><strong>Q9. \u092a\u093e\u0901\u091a \u0935\u093f\u0932\u092f\u0928\u094b A, B, C, D,\u0935 E \u0915\u0940 \u091c\u092c \u0938\u093e\u0930\u094d\u0935\u0924\u094d\u0930\u093f\u0915 \u0938\u0942\u091a\u0915 \u0938\u0947 \u091c\u093e\u0902\u091a \u0915\u093f \u091c\u093e\u0924\u0940\u00a0\u00a0\u0939\u0948\u0924\u094b\u00a0<sub>pH\u00a0<\/sub>\u0915\u0947 \u092e\u093e\u0928 \u0915\u094d\u0930\u092e\u0936\u0903 4, 1, 11,7, \u090f\u0935\u0902 9 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948 | \u0915\u094c\u0928 \u0938\u093e \u0935\u093f\u0932\u092f\u0928 :<\/strong><\/p>\n<p>(a) \u0909\u0926\u093e\u0938\u0940\u0928 \u0939\u0948 ?<br \/>\n(b) \u092a\u094d\u0930\u092c\u0932 \u0915\u094d\u0937\u093e\u0930\u0940\u092f \u0939\u0948\u00a0?<br \/>\n(c) \u092a\u094d\u0930\u092c\u0932 \u0905\u092e\u094d\u0932\u0940\u092f \u0939\u0948 ?<br \/>\n(d)\u0926\u0941\u0930\u094d\u092c\u0932 \u0905\u092e\u094d\u0932\u0940\u092f \u0939\u0948 ?<br \/>\n(e) \u0926\u0941\u0930\u094d\u092c\u0932 \u0915\u094d\u0937\u093e\u0930\u0940\u092f\u00a0\u0939\u0948?<\/p>\n<p>pH \u0915\u0947 \u092e\u093e\u0928\u094b \u0915\u094b \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0906\u092f\u0928 \u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u0915\u0947 \u0906\u0930\u094b\u0939\u0940 \u0915\u094d\u0930\u092e \u092e\u0947\u0902 \u0935\u094d\u092f\u0935\u0938\u094d\u0925\u093f\u0924 \u0915\u0940\u091c\u093f\u090f |<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930 :<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><strong>\u0935\u093f\u0932\u092f\u0928 \u00a0<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>\u00a0pH \u0915\u093e \u092e\u093e\u0928<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>\u0938\u093e\u0930\u094d\u0935\u0924\u094d\u0930\u093f\u0915 \u0938\u0942\u091a\u0915 \u0938\u0947 \u091c\u093e\u0902\u091a \u00a0<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">A<\/td>\n<td style=\"text-align: center;\">4<\/td>\n<td style=\"text-align: center;\">\u0926\u0941\u0930\u094d\u092c\u0932 \u0905\u092e\u094d\u0932\u0940\u092f \u0939\u0948<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">B<\/td>\n<td style=\"text-align: center;\">1<\/td>\n<td style=\"text-align: center;\">\u092a\u094d\u0930\u092c\u0932 \u0905\u092e\u094d\u0932\u0940\u092f \u0939\u0948<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">C<\/td>\n<td style=\"text-align: center;\">11<\/td>\n<td style=\"text-align: center;\">\u092a\u094d\u0930\u092c\u0932 \u0915\u094d\u0937\u093e\u0930\u0940\u092f \u0939\u0948<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">D<\/td>\n<td style=\"text-align: center;\">7<\/td>\n<td style=\"text-align: center;\">\u0909\u0926\u093e\u0938\u0940\u0928 \u0939\u0948<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">E<\/td>\n<td style=\"text-align: center;\">9<\/td>\n<td style=\"text-align: center;\">\u0926\u0941\u0930\u094d\u092c\u0932 \u0915\u094d\u0937\u093e\u0930\u0940\u092f\u00a0\u0939\u0948<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>H<sup>+<\/sup>\u00a0\u0906\u092f\u0928 \u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e \u091c\u0948\u0938\u0947 &#8211; \u091c\u0948\u0938\u0947 \u092c\u0922\u0924\u0940 \u0939\u0948\u00a0pH \u0915\u093e \u092e\u093e\u0928 \u0909\u0938\u0940 \u092a\u094d\u0930\u0915\u093e\u0930 \u0918\u091f\u0924\u093e\u00a0\u0939\u0948 |<\/p>\n<p>C &lt; E&lt; D&lt; A\u00a0&lt; B<\/p>\n<p><strong>Q10. \u092a\u0930\u0916\u0928\u0932\u0940 \u2018A\u2019 \u090f\u0935\u0902 \u2018B\u2019 \u092e\u0947\u0902 \u0938\u092e\u093e\u0928 \u0932\u0902\u092c\u093e\u0908 \u0915\u0940 \u092e\u0948\u0917\u094d\u0928\u0940\u0936\u093f\u092f\u092e \u0915\u0940 \u092a\u091f\u094d\u091f\u0940 \u0932\u0940\u091c\u093f\u090f\u0964 \u092a\u0930\u0916\u0928\u0932\u0940 \u2018A\u2019 \u092e\u0947\u0902\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 (HCl) \u0924\u0925\u093e \u092a\u0930\u0916\u0928\u0932\u0940 \u2018B\u2019 \u092e\u0947\u0902 \u0910\u0938\u093f\u091f\u093f\u0915 \u0905\u092e\u094d\u0932 (CH<sub>3<\/sub>COOH)\u00a0\u0921\u093e\u0932\u093f\u090f\u0964 \u0915\u093f\u0938\u00a0\u092a\u0930\u0916\u0928\u0932\u0940 \u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u0924\u0947\u091c\u0940\u00a0\u0938\u0947 \u092c\u0941\u0926\u092c\u0941\u0926\u093e\u0939\u091f \u0939\u094b\u0917\u0940 \u0924\u0925\u093e \u0915\u094d\u092f\u094b\u0902?\u00a0<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong>\u092a\u0930\u0916\u0928\u0932\u0940 &#8216;A&#8217; \u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u092c\u0941\u0926\u092c\u0941\u0926\u093e\u0939\u091f \u0939\u094b\u0917\u0940 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u090f\u0938\u0947\u091f\u093f\u0915 \u0905\u092e\u094d\u0932 \u0938\u0947 \u0905\u0927\u093f\u0915 \u092a\u094d\u0930\u092c\u0932 \u0905\u092e\u094d\u0932 \u0939\u0948 |<\/p>\n<p><strong>Q11.\u0924\u093e\u091c\u0947 \u0926\u0942\u0927 \u0915\u0947\u00a0<sub>P<\/sub>H \u0915\u093e \u092e\u093e\u0928 \u00a06 \u0939\u094b\u0924\u093e \u0939\u0948 | \u0926\u0939\u0940 \u092c\u0928 \u091c\u093e\u0928\u0947 \u092a\u0930\u00a0<sub>P<\/sub>H \u0915\u0947\u00a0\u092e\u093e\u0928 \u092e\u0947\u0902 \u0915\u094d\u092f\u093e \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0939\u094b\u0917\u093e ? \u0905\u092a\u0928\u093e \u0909\u0924\u094d\u0924\u0930 \u0938\u092e\u091d\u093e\u0907\u090f |\u00a0\u00a0 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|<\/strong><\/p>\n<p><strong>(a) \u0924\u093e\u091c\u093e\u00a0\u0926\u0942\u0927 \u0915\u0947\u00a0<sub>P<\/sub>H \u0915\u093e \u092e\u093e\u0928 6 \u0938\u0947 \u092c\u0926\u0932 \u0915\u0930 \u0925\u094b\u0921\u093e \u0915\u094d\u0937\u093e\u0930\u0940\u092f \u0915\u094d\u092f\u094b\u0902 \u092c\u0928\u093e \u0926\u0947\u0924\u093e \u0939\u0948 ?<br \/>\n<\/strong><strong>(b) \u0907\u0938 \u0926\u0942\u0927\u00a0\u0915\u094b \u0926\u0939\u0940 \u092c\u0928\u0928\u0947 \u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u0938\u092e\u092f \u0915\u094d\u092f\u094b\u0902 \u0932\u0917\u0924\u093e \u0939\u0948 ?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u00a0(a) \u0924\u093e\u091c\u093e\u00a0\u0926\u0942\u0927 \u0915\u0947\u00a0<sub>P<\/sub>H \u0915\u093e \u092e\u093e\u0928 6 \u0938\u0947 \u092c\u0926\u0932 \u0915\u0930 \u0925\u094b\u0921\u093e \u0915\u094d\u0937\u093e\u0930\u0940\u092f \u0907\u0938\u0932\u093f\u090f\u00a0\u092c\u0928\u093e 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|<\/p>\n<p><strong>Q13.\u092a\u094d\u0932\u093e\u0938\u094d\u091f\u0930 \u0911\u095e \u092a\u0947\u0930\u093f\u0938 \u0915\u094b \u0906\u0930\u094d\u0926\u094d\u0930 &#8211; \u0930\u094b\u0927\u0940 \u092c\u0930\u094d\u0924\u0928 \u092e\u0947\u0902 \u0915\u094d\u092f\u094b\u0902 \u0930\u0916\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f ?\u00a0\u0907\u0938\u0915\u0940 \u0935\u094d\u092f\u093e\u0916\u094d\u092f\u093e \u0915\u0940\u091c\u093f\u090f\u00a0<\/strong>|<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u092a\u094d\u0932\u093e\u0938\u094d\u091f\u0930 \u0911\u095e \u092a\u0947\u0930\u093f\u0938 \u0915\u094b \u0906\u0930\u094d\u0926\u094d\u0930 &#8211; \u0930\u094b\u0927\u0940 \u092c\u0930\u094d\u0924\u0928 \u092e\u0947\u0902 \u0907\u0938\u0932\u093f\u090f\u00a0\u0930\u0916\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u092f\u0939 \u0906\u0930\u094d\u0926\u094d\u0930\u0924\u093e 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\u0926\u0947\u0924\u0947 \u0939\u0948|<\/p>\n<p><strong>Q15. \u0927\u094b\u0928\u0947 \u0915\u093e \u0938\u094b\u0921\u093e \u090f\u0935\u0902 \u092c\u0947\u0915\u093f\u0902\u0917 \u0938\u094b\u0921\u093e \u0915\u0947 \u0926\u094b &#8211; \u0926\u094b \u092a\u094d\u0930\u092e\u0941\u0916 \u0909\u092a\u092f\u094b\u0917 \u092c\u0924\u093e\u0907\u090f | .<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong><strong>\u00a0<\/strong><strong>\u0927\u094b\u0928\u0947 \u0915\u093e \u0938\u094b\u0921\u093e \u0915\u0947\u00a0\u0909\u092a\u092f\u094b\u0917 :-<\/strong><\/p>\n<ol>\n<li>\u0938\u094b\u0921\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u093e\u0901\u091a, \u0938\u093e\u092c\u0941\u0928 \u090f\u0935\u0902 \u0915\u093e\u0917\u091c \u0909\u0926\u094d\u092f\u0917\u094b \u092e\u0947\u0902 \u0939\u094b\u0924\u093e \u0939\u0948 |<\/li>\n<li>\u0907\u0938\u0915\u093e \u0909\u092a\u092f\u094b\u0917 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:-\u00a0<\/strong><\/p>\n<ol>\n<li>\u092c\u0947\u0915\u093f\u0902\u0917 \u0938\u094b\u0921\u093e \u0915\u093e\u00a0\u0909\u092a\u092f\u094b\u0917 \u0916\u093e\u0928\u0947 \u0915\u093f \u091a\u0940\u091c\u094b\u00a0\u0915\u094b \u092e\u0941\u0932\u093e\u092f\u092e ,\u00a0\u0938\u094d\u092a\u0902\u091c\u0940 \u090f\u0935\u0902 \u0916\u0938\u094d\u0924\u093e \u00a0\u092c\u0928\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u00a0|<\/li>\n<li>\u092c\u0947\u0915\u093f\u0902\u0917 \u0938\u094b\u0921\u093e \u0915\u0947 \u00a0\u0915\u094d\u0937\u093e\u0930\u093f\u092f \u0939\u094b\u0928\u0947 \u0915\u0947 \u0915\u0930\u0923 \u092f\u0947 \u092a\u0947\u091f \u092e\u0947\u0902 \u0905\u092e\u094d\u0932 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0915\u0940\u00a0\u0905\u0927\u093f\u0915\u0924\u093e \u0915\u094b \u0915\u092e \u092f\u093e\u00a0\u0909\u0926\u093e\u0938\u0940\u0928 \u0915\u0930\u0915\u0947 \u0930\u093e\u0939\u0924 \u092a\u0939\u0941\u091a\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 |<\/li>\n<li>\u0915\u092d\u0940 &#8211; \u0915\u092d\u0940 \u0907\u0938\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0916\u093e\u0928\u0947 \u0915\u094b \u0936\u0940\u0918\u094d\u0930\u0924\u093e \u0938\u0947 \u092a\u0915\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092d\u0940 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 |<\/li>\n<li>\u0907\u0938\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0938\u094b\u0921\u093e &#8211; \u0905\u092e\u094d\u0932 \u0905\u0917\u094d\u0928\u093f\u0936\u093e\u092e\u0915 \u092e\u0947\u0902 \u092d\u0940 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 |<\/li>\n<\/ol>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\"><strong>\u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923-\u092a\u094d\u0930\u0936\u094d\u0928\u094b\u0924\u094d\u0924\u0930<\/strong><\/span><\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 1: CaOCl<sub>2<\/sub>\u00a0\u092f\u094c\u0917\u093f\u0915 \u0915\u093e \u092a\u094d\u0930\u091a\u0932\u093f\u0924 \u0928\u093e\u092e \u0915\u094d\u092f\u093e \u0939\u0948 ?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u092c\u094d\u0932\u0940\u091a\u093f\u0902\u0917 \u092a\u093e\u0909\u0921\u0930<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 2: \u0909\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u093e \u0928\u093e\u092e \u092c\u0924\u093e\u0907\u090f \u091c\u094b \u0915\u094d\u0932\u094b\u0930\u0940\u0928 \u0938\u0947 \u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0915\u0947 \u0935\u093f\u0930\u0902\u091c\u0915 \u091a\u0942\u0930\u094d\u0923 \u092c\u0928\u0924\u093e \u0939\u0948 |<\/strong><\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928<\/strong>\u00a0<strong>3: \u0915\u0920\u094b\u0930 \u091c\u0932 \u0915\u094b \u092e\u0943\u0926\u0941 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u0938 \u0938\u094b\u0921\u093f\u092f\u092e \u092f\u094c\u0917\u093f\u0915 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 ?<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong>Na<sub>2<\/sub>CO<sub>3<\/sub>.10H<sub>2<\/sub>O (\u0927\u094b\u0928\u0947 \u0915\u093e \u0938\u094b\u0921\u093e)<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928\u00a04: \u0938\u094b\u0921\u093f\u092f\u092e \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928\u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f \u0915\u0947 \u0935\u093f\u0932\u092f\u0928 \u0915\u094b \u0917\u0930\u094d\u092e \u0915\u0930\u0928\u0947 \u092a\u0930 \u0915\u094d\u092f\u093e \u0939\u094b\u0924\u093e \u0939\u094b\u0917\u093e ? \u0907\u0938 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u0932\u093f\u090f \u0938\u092e\u0940\u0915\u0930\u0923 \u0932\u093f\u0916\u093f\u090f |<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong>\u091c\u092c \u0938\u094b\u0921\u093f\u092f\u092e \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f \u0915\u0947 \u0935\u093f\u0932\u092f\u0928 \u0915\u094b \u0917\u0930\u094d\u092e \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0924\u094b \u0938\u094b\u0921\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f, \u091c\u0932 \u0914\u0930 \u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 \u0917\u0948\u0938 \u0909\u0924\u094d\u0938\u0930\u094d\u091c\u093f\u0924 \u0939\u094b\u0924\u093e \u0939\u0948 |<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/i2.wp.com\/farm1.staticflickr.com\/840\/43461717201_28e9cf82ca_o.jpg?resize=330%2C34&#038;ssl=1\" alt=\"NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) 2\" width=\"330\" height=\"34\" data-recalc-dims=\"1\" \/><\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 5: \u092a\u094d\u0932\u093e\u0938\u094d\u091f\u0930 \u0911\u095e \u092a\u0947\u0930\u093f\u0938 \u0915\u0940 \u091c\u0932 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u0932\u093f\u090f \u0938\u092e\u0940\u0915\u0930\u0923 \u0932\u093f\u0916\u093f\u090f |<\/strong><\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong><br \/>\n<img loading=\"lazy\" src=\"https:\/\/i0.wp.com\/farm2.staticflickr.com\/1787\/43461717361_00cab108f7_o.jpg?resize=335%2C75&#038;ssl=1\" alt=\"NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) 3\" width=\"335\" height=\"75\" data-recalc-dims=\"1\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\"><strong>\u0905\u0924\u093f\u0930\u093f\u0915\u094d\u0924 \u090f\u0935\u0902 \u092e\u0939\u0924\u094d\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u092a\u094d\u0930\u0936\u094d\u0928\u094b\u0924\u094d\u0924\u0930:<\/strong><\/span><\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 1:\u00a0\u0926\u094b \u092a\u094d\u0930\u093e\u0915\u0943\u0924\u093f\u0915 \u0938\u0902\u0938\u0942\u091a\u0915\u094b\u0902 \u0915\u0947 \u0928\u093e\u092e \u0932\u093f\u0916\u093f\u090f\u0964\u00a0<\/strong><br \/>\n<strong>\u0909\u0924\u094d\u0924\u0930:<\/strong><\/p>\n<p>(i) \u00a0\u0932\u093f\u091f\u092e\u0938 \u092a\u0924\u094d\u0930<br \/>\n(ii) \u00a0\u0939\u0932\u094d\u0926\u0940<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 2:<\/strong> \u0926\u094b \u0938\u0902\u0936\u094d\u0932\u0947\u0937\u093f\u0924 \u0938\u0902\u0938\u0941\u091a\u0915\u094b\u0902 \u00a0\u0915\u0947 \u0928\u093e\u092e \u0932\u093f\u0916\u094b\u0902 \u0964<br \/>\n<strong>\u0909\u0924\u094d\u0924\u0930:<\/strong><\/p>\n<p>(i) \u092e\u0947\u0925\u093f\u0932 \u0911\u0930\u0947\u0902\u091c<br \/>\n(ii) \u092b\u0940\u0928\u0949\u0932\u094d\u092b\u0925\u0947\u0932\u093f\u0928<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 3:<\/strong> \u0915\u0941\u091b \u0910\u0938\u0947 \u092a\u0926\u093e\u0930\u094d\u0925 \u091c\u093f\u0928\u0915\u0940 \u0917\u0902\u0927 \u0905\u092e\u094d\u0932\u0940\u092f \u092f\u093e \u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f \u092e\u093e\u0927\u094d\u092f\u092e \u092e\u0947\u0902 \u092c\u0926\u0932 \u091c\u093e\u0924\u0940 \u0939\u0948\u0964\u0907\u0928\u094d\u0939\u0947\u0902 \u0915\u094d\u092f\u093e \u0915\u0939\u0924\u0947 \u0939\u0948 ?<br \/>\n<strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0917\u0902\u0927\u0940\u092f \u0938\u0942\u091a\u0915 \u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 4:<\/strong>\u00a0\u0905\u092e\u094d\u0932 \u0915\u0947 \u0905\u0935\u0936\u093f\u0937\u094d\u091f\u094b\u0902 \u0915\u0947 \u0938\u093e\u0925 \u092e\u093f\u0932\u0915\u0930 \u0927\u093e\u0924\u0941 \u090f\u0915 \u092f\u094c\u0917\u093f\u0915 \u092c\u0928\u093e\u0924\u093e \u0939\u0948 \u0914\u0930 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0917\u0948\u0938 \u0928\u093f\u0915\u093e\u0932\u0924\u093e \u0939\u0948\u0964 \u0907\u0938 \u092f\u094c\u0917\u093f\u0915 \u0915\u094b \u0915\u094d\u092f\u093e \u0915\u0939\u0924\u0947 \u0939\u0948 ?<br \/>\n<strong>\u0909\u0924\u094d\u0924\u0930 &#8211;<\/strong> \u0932\u0935\u0923 \u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 5:\u00a0<\/strong>\u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f \u0915\u0947 \u0935\u093f\u0935\u093f\u0927 \u0930\u0942\u092a\u094b\u0902 \u0915\u0947 \u0928\u093e\u092e \u0932\u093f\u0916\u094b\u0902 \u0964<br \/>\n<strong>\u0909\u0924\u094d\u0924\u0930 &#8211;<\/strong> \u091a\u0941\u0928\u093e \u092a\u0924\u094d\u0925\u0930 , \u0916\u0921\u093f\u092f\u093e , \u0938\u0902\u0917\u092e\u0930\u092e\u0930 \u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 6:<\/strong>\u00a0\u091a\u0941\u0928\u0947 \u0915\u0947 \u092a\u093e\u0928\u0940 \u092e\u0947\u0902 \u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 \u0917\u0948\u0938 \u0915\u094b \u092a\u094d\u0930\u0935\u093e\u0939\u093f\u0924 \u0915\u0930\u0928\u0947 \u092a\u0930 \u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e\u00a0\u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f \u0915\u093e \u0938\u092b\u0947\u0926 \u0905\u0935\u0915\u094d\u0937\u0947\u092a \u0924\u0925\u093e \u091c\u0932 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<br \/>\n(i) \u0907\u0938 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u093e \u0938\u092e\u0917\u094d\u0930 \u0938\u092e\u0940\u0915\u0930\u0923 \u0932\u093f\u0916\u093f\u090f \u0964<br \/>\n(ii) \u0907\u0938 \u0938\u092b\u0947\u0926 \u0905\u0935\u0915\u094d\u0937\u0947\u092a \u0915\u094b \u0915\u094d\u092f\u093e \u0915\u0939\u0924\u0947 \u0939\u0948 ?<br \/>\n(iii) \u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u092e\u093e\u0924\u094d\u0930\u093e \u092e\u0947\u0902 \u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 \u0917\u0948\u0938 \u0915\u094b \u092a\u094d\u0930\u0935\u093e\u0939\u093f\u0924 \u0915\u0930\u0928\u0947 \u092a\u0930 \u0915\u094d\u092f\u093e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e\u00a0\u0939\u0948\u0964<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong><\/p>\n<p>(i)\u00a0\u0907\u0938 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u093e \u0938\u092e\u0917\u094d\u0930 \u0938\u092e\u0940\u0915\u0930\u0923 :<br \/>\nCa(OH)<sub>2<\/sub>(aq) + CO<sub>2<\/sub>(g) \u2192 Ca CO<sub>3<\/sub>(s) + H<sub>2<\/sub>O (l)<\/p>\n<p>(ii) \u0915\u0948\u0932\u094d\u0936\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f\u00a0(CaCO<sub>3<\/sub>)<\/p>\n<p>(iii) \u091c\u0932 \u092e\u0947\u0902 \u0935\u093f\u0932\u092f\u0936\u0940\u0932 Ca(HCO<sub>3<\/sub>)<sub>2<\/sub>\u00a0(aq)\u00a0\u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948 |<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 7:\u00a0<\/strong>\u0905\u092e\u094d\u0932 \u0914\u0930 \u0915\u094d\u0937\u093e\u0930\u0915 \u0915\u0940 \u0906\u092a\u0938\u0940 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u091c\u093f\u0938\u092e\u0947\u0902 \u0932\u0935\u0923 \u0924\u0925\u093e \u091c\u0932 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948 \u0907\u0938 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u094b \u0915\u094d\u092f\u093e \u0915\u0939\u0924\u0947 \u0939\u0948 ?<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong>\u0909\u0926\u093e\u0938\u0940\u0928\u0940\u0915\u0930\u0923 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 8:<\/strong>\u00a0\u0909\u0926\u093e\u0938\u0940\u0928\u0940\u0915\u0930\u0923 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u093f\u0938\u0947 \u0915\u0939\u0924\u0947 \u0939\u0948 ?<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0905\u092e\u094d\u0932 \u0914\u0930 \u0915\u094d\u0937\u093e\u0930\u0915 \u0915\u0940 \u0906\u092a\u0938\u0940 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u091c\u093f\u0938\u092e\u0947\u0902 \u0932\u0935\u0923 \u0924\u0925\u093e \u091c\u0932 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948 \u0914\u0930 \u0935\u0947 \u090f\u0915 \u0926\u0942\u0938\u0930\u0947 \u0915\u0947 \u092a\u094d\u0930\u092d\u093e\u0935 \u0915\u094b \u0938\u092e\u093e\u092a\u094d\u0924 \u0915\u0930 \u0926\u0947\u0924\u0947 \u0939\u0948 \u0907\u0938 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u094b \u0909\u0926\u093e\u0938\u0940\u0928\u0940\u0915\u0930\u0923 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0939\u0924\u0947 \u0939\u0948\u0964<\/p>\n<p>\u0915\u094d\u0937\u093e\u0930\u0915 +\u00a0\u0905\u092e\u094d\u0932 \u2192 \u0932\u0935\u0923 +\u00a0\u091c\u0932<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 9:\u00a0<\/strong>\u0927\u093e\u0924\u094d\u0935\u093f\u0915 \u0906\u0915\u094d\u0938\u093e\u0907\u0921\u094b\u0902 \u0915\u0940 \u092a\u094d\u0930\u0915\u0943\u0924\u093f \u0915\u094d\u092f\u093e \u0939\u094b\u0924\u0940 \u0939\u0948 ?<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0927\u093e\u0924\u094d\u0935\u093f\u0915 \u0906\u0915\u094d\u0938\u093e\u0907\u0921\u094b\u0902 \u0915\u0940 \u092a\u094d\u0930\u0915\u0943\u0924\u093f \u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f \u0939\u094b\u0924\u0940 \u0939\u0948 \u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928\u00a010:\u00a0<\/strong>\u0905\u0927\u093e\u0924\u094d\u0935\u093f\u0915 \u0906\u0915\u094d\u0938\u093e\u0907\u0921\u094b\u0902 \u0915\u0940 \u092a\u094d\u0930\u0915\u0943\u0924\u093f \u0915\u094d\u092f\u093e \u0939\u094b\u0924\u0940 \u0939\u0948 ?<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong>\u0927\u093e\u0924\u094d\u0935\u093f\u0915 \u0906\u0915\u094d\u0938\u093e\u0907\u0921\u094b\u0902 \u0915\u0940 \u092a\u094d\u0930\u0915\u0943\u0924\u093f \u0905\u092e\u094d\u0932\u0940\u092f \u0939\u094b\u0924\u0940 \u0939\u0948 \u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 11:<\/strong>\u00a0\u092a\u0940\u0924\u0932 \u090f\u0935\u0902 \u0924\u093e\u0901\u092c\u0947 \u0915\u0947 \u092c\u0930\u094d\u0924\u0928\u094b\u0902 \u092e\u0947\u0902 \u0926\u0939\u0940 \u090f\u0935\u0902 \u0916\u091f\u094d\u091f\u0947 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u094d\u092f\u094b\u0902 \u0928\u0939\u0940\u0947 \u0930\u0916\u0928\u0947 \u091a\u093e\u0939\u093f\u090f ?<br \/>\n<strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0926\u0939\u0940 \u090f\u0935\u0902 \u0916\u091f\u094d\u091f\u0947 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u0940 \u092a\u094d\u0930\u0915\u0943\u0924\u093f \u0905\u092e\u094d\u0932\u0940\u092f \u0939\u094b\u0924\u0940 \u0939\u0948 \u0907\u0938\u092e\u0947\u0902 \u0909\u092a\u0938\u094d\u0925\u093f\u0924 \u0905\u092e\u094d\u0932 \u092a\u0940\u0924\u0932 \u090f\u0935\u0902 \u0924\u093e\u0901\u092c\u0947 \u0938\u0947 \u0924\u0941\u0930\u0928\u094d\u0924 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930 \u092c\u0930\u094d\u0924\u0928 \u0915\u094b \u0928\u0937\u094d\u091f \u0915\u0930 \u0926\u0947\u0924\u0947 \u0939\u0948 \u0964 \u0914\u0930 \u0907\u0938\u092e\u0947\u0902 \u0930\u0916\u0947 \u092a\u0926\u093e\u0930\u094d\u0925 \u092d\u0940 \u0916\u0930\u093e\u092c \u0939\u094b \u091c\u093e\u0924\u0947 \u0939\u0948\u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 12:<\/strong>\u00a0\u0927\u093e\u0924\u0941 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092e\u094d\u0932 \u0915\u0940 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0939\u094b\u0928\u0947 \u092a\u0930 \u0938\u092e\u093e\u0928\u094d\u092f\u0924\u0903 \u0915\u094c\u0928 \u0938\u0940 \u0917\u0948\u0938 \u0928\u093f\u0915\u0932\u0924\u0940 \u0939\u0948 ? \u090f\u0915 \u0909\u0926\u093e\u0939\u0930\u0923 \u0926\u0947\u0915\u0930 \u0938\u092e\u091d\u093e\u0907\u090f \u0964 \u0907\u0938 \u0917\u0948\u0938 \u0915\u0940 \u0909\u092a\u0938\u094d\u0925\u093f\u0924\u093f \u0915\u0940 \u091c\u093e\u0901\u091a \u0915\u0948\u0938\u0947 \u0915\u0930\u094b\u0917\u0947\u0902 ?<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930 &#8211;<\/strong> \u0927\u093e\u0924\u0941 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092e\u094d\u0932 \u0915\u0940 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0939\u094b\u0928\u0947 \u092a\u0930 \u0938\u092e\u093e\u0928\u094d\u092f\u0924\u0903 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0917\u0948\u0938 \u0928\u093f\u0915\u0932\u0924\u0940 \u0939\u0948\u0964 \u091c\u0948\u0938\u0947-<\/p>\n<p>2HCl + Mg\u00a0\u2192\u00a0MgCl<sub>2\u00a0<\/sub>+ H<sub>2\u00a0<\/sub>(g)<\/p>\n<p>\u0907\u0938 \u0917\u0948\u0938 \u0915\u0940 \u0909\u092a\u0938\u094d\u0925\u093f\u0924\u093f \u0915\u0940 \u091c\u093e\u0901\u091a \u0915\u0947 \u0932\u093f\u090f \u091c\u092c \u0939\u092e \u091c\u0932\u0924\u0940 \u0939\u0941\u0908 \u092e\u094b\u092e\u092c\u0924\u0940 \u0907\u0938 \u0917\u0948\u0938 \u0915\u0947 \u092a\u093e\u0938 \u0932\u0947 \u091c\u093e\u0924\u0947 \u0939\u0948 \u0924\u094b \u092b\u091f &#8211; \u092b\u091f \u0915\u0940 \u0927\u094d\u0935\u0928\u0940 \u0915\u0947 \u0938\u093e\u0925 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0917\u0948\u0938 \u0915\u093e \u0926\u0939\u0928 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 13:\u00a0<\/strong>\u091c\u0932 \u092e\u0947\u0902 \u0927\u0941\u0932\u0928\u0936\u0940\u0932 \u0915\u094d\u0937\u093e\u0930\u0915 \u0915\u094b \u0915\u094d\u092f\u093e \u0915\u0939\u0924\u0947 \u0939\u0948 ?<br \/>\n<strong>\u0909\u0924\u094d\u0924\u0930 :\u00a0<\/strong>\u0915\u094d\u0937\u093e\u0930<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 14:\u00a0<\/strong>\u0939\u092e\u093e\u0930\u0947 \u0936\u0930\u0940\u0930 \u092e\u0947\u0902 \u0926\u093e\u0901\u0924\u094b\u0902 \u0915\u093e \u0907\u0928\u0948\u092e\u0932 \u090f\u0915 \u0938\u092c\u0938\u0947 \u0915\u0920\u094b\u0930 \u092a\u0926\u093e\u0930\u094d\u0925 \u0939\u0948\u0902 \u0964 \u091a\u0949\u0915\u0932\u0947\u091f \u0924\u0925\u093e \u092e\u093f\u0920\u093e\u0908 \u0916\u093e\u0928\u0947 \u0938\u0947 \u092f\u0939 \u0915\u094d\u0937\u092f \u0915\u0948\u0938\u0947 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0948\u0902 ? \u0907\u0938\u0915\u0940 \u0930\u094b\u0915\u0925\u093e\u092e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u094d\u092f\u093e \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f ? \u0907\u0928\u0948\u092e\u0932 \u0915\u093f\u0938\u0915\u093e \u092c\u0928\u093e \u0939\u094b\u0924\u093e \u0939\u0948\u0902 ? \u092e\u0941\u0901\u0939 \u0915\u093e pH\u00a0\u092e\u093e\u0928 \u0915\u093f\u0924\u0928\u093e \u0939\u094b\u0924\u093e \u0939\u0948\u0902 ?<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930 &#8211;<\/strong> \u092e\u0941\u0901\u0939 \u092e\u0947\u0947\u0902 \u0909\u092a\u0938\u094d\u0925\u093f\u0924 \u092c\u0948\u0915\u094d\u091f\u0940\u0930\u093f\u092f\u093e \u092d\u094b\u091c\u0928 \u0915\u0947 \u092a\u0936\u094d\u091a\u093e\u0924\u094d \u092e\u0941\u0901\u0939 \u092e\u0947\u0902 \u0905\u092a\u0936\u093f\u0937\u094d\u091f \u0936\u0930\u094d\u0915\u0930\u093e \u0924\u0925\u093e \u0916\u093e\u0926\u094d\u092f \u092a\u0926\u093e\u0930\u094d\u0925\u094b\u0902 \u0915\u093e \u0928\u093f\u092e\u094d\u0928\u0940\u0915\u0930\u0923 \u0915\u0930\u0915\u0947 \u0905\u092e\u094d\u0932 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u0964 \u092f\u0939 \u0905\u092e\u094d\u0932 \u092e\u0941\u0901\u0939 \u0915\u0947\u00a0pH\u00a0\u092e\u093e\u0928 \u0938\u0947 \u0915\u092e \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0902 \u091c\u093f\u0938\u0938\u0947 \u0926\u093e\u0901\u0924\u094b\u00a0\u0915\u093e \u0915\u094d\u0937\u092f \u0939\u094b\u0928\u093e \u0936\u0941\u0930\u0942 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0902 \u0964 \u0907\u0938\u0915\u0940 \u0930\u094b\u0915\u0925\u093e\u092e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092d\u094b\u091c\u0928 \u0915\u0947 \u092a\u0936\u094d\u091a\u093e\u0924\u094d \u092e\u0941\u0901\u0939 \u0938\u093e\u092b \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u0964 \u0907\u0928\u0948\u092e\u0932 \u0915\u0948\u0932\u094d\u0936\u093f\u092f\u092e \u092b\u0949\u0938\u094d\u092b\u0947\u091f\u0915\u093e \u092c\u0928\u093e \u0939\u094b\u0924\u093e \u0939\u0948\u0902 \u0964 \u092e\u0941\u0901\u0939 \u0915\u093e pH \u092e\u093e\u0928 5.5 \u0939\u094b\u0924\u093e \u0939\u0948\u0902 \u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 15:<\/strong>\u00a0\u092e\u093e\u0901\u0938\u092a\u0947\u0936\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 \u0915\u094d\u0930\u0948\u092e\u094d\u092a \u0915\u094d\u092f\u094b \u0939\u094b\u0924\u0947 \u0939\u0948\u0902 ?<br \/>\n<strong>\u0909\u0924\u094d\u0924\u0930 &#8211;<\/strong> \u092e\u093e\u0901\u0938\u092a\u0947\u0936\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 \u0932\u0948\u0915\u094d\u091f\u093f\u0915 \u0905\u092e\u094d\u0932 \u0915\u0940 \u0905\u0927\u093f\u0915\u0924\u093e \u0915\u0947 \u0915\u093e\u0930\u0923 \u0915\u094d\u0930\u0948\u092e\u094d\u092a \u0939\u094b\u0924\u0947 \u0939\u0948\u0902 \u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 16:\u00a0<\/strong>\u090f\u0915 \u092a\u0926\u093e\u0930\u094d\u0925 \u00a0A \u0935\u093e\u0936\u093f\u0917 \u0938\u094b\u0921\u0947 \u0915\u0940 \u0938\u093f\u0930\u0915\u0947 \u0938\u0947 \u0915\u094d\u0930\u093f\u092f\u093e \u0938\u0947 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948\u0902 \u0964 \u092a\u0926\u093e\u0930\u094d\u0925 A \u0915\u094d\u092f\u093e \u0939\u0948\u0902 ?<br \/>\n<strong>\u0909\u0924\u094d\u0924\u0930:<\/strong> \u092a\u0926\u093e\u0930\u094d\u0925 A \u0938\u094b\u0921\u093f\u092f\u092e \u090f\u0938\u093f\u091f\u0947\u091f \u0939\u0948, \u0907\u0938 \u0915\u094d\u0930\u093f\u092f\u093e \u0915\u093e \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0928\u093f\u092e\u094d\u0928 \u0939\u0948 |<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/i1.wp.com\/farm1.staticflickr.com\/915\/43461717591_3300dac19b_o.jpg?resize=531%2C28&#038;ssl=1\" alt=\"NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) 4\" width=\"531\" height=\"28\" data-recalc-dims=\"1\" \/><\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 17:<\/strong>\u00a0\u0915\u093f\u0938\u0940 \u091f\u0942\u091f\u0940 \u0939\u0941\u0908 \u0939\u0921\u0921\u094d\u0940 \u0915\u094b \u0938\u094d\u0925\u093f\u0930 \u0930\u0916\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u0949\u0915\u094d\u091f\u0930 \u0936\u094d\u0935\u0947\u0924 \u092a\u093e\u0909\u0921\u0930 \u0915\u0940 \u092a\u093e\u0928\u0940 \u092e\u0947\u0902 \u092c\u0928\u0940 \u092a\u0947\u0938\u094d\u091f \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u0964<\/p>\n<ol>\n<li>\u0907\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u093e \u0928\u093e\u092e \u092c\u0924\u093e\u0907\u090f \u0964<\/li>\n<li>\u0907\u0938\u0915\u093e \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0942\u0924\u094d\u0930 \u0932\u093f\u0916\u094b\u0902 \u0964<\/li>\n<li>\u0907\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u093e \u090f\u0915 \u0935\u093f\u0936\u0947\u0937 \u0917\u0941\u0923 \u092c\u0924\u093e\u0907\u090f \u0964<\/li>\n<li>\u0907\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u094b \u0906\u0930\u094d\u0926\u094d\u0930 \u0930\u094b\u0927\u0940 \u092c\u0930\u094d\u0924\u0928 \u092e\u0947\u0902 \u0915\u094d\u092f\u094b \u0930\u0916\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u0964<\/li>\n<\/ol>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong><\/p>\n<ol>\n<li>\u0907\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u093e \u0928\u093e\u092e \u092a\u094d\u0932\u093e\u0938\u094d\u091f\u0930 \u0911\u092b \u092a\u0947\u0930\u093f\u0938 \u0939\u0948\u0902 \u0964<\/li>\n<li>\u0907\u0938\u0915\u093e \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0942\u0924\u094d\u0930 CaSO<sub>4<\/sub>\u00a0. \u00bd H<sub>2<\/sub>O\u00a0\u0939\u0948\u0902 \u0964<\/li>\n<li>\u0907\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u093e \u090f\u0915 \u0935\u093f\u0936\u0947\u0937 \u0917\u0941\u0923 \u092f\u0939 \u0939\u0948\u0902 \u0915\u093f \u091c\u0932 \u092e\u093f\u0932\u093e\u0924\u0947 \u0939\u0940 \u0924\u0941\u0930\u0902\u0924 \u0915\u0920\u094b\u0930 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0902 \u0964 \u0907\u0938\u0932\u093f\u090f \u0907\u0938\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0916\u093f\u0932\u094c\u0928\u0947 \u092c\u0928\u093e\u0928\u0947 \u092e\u0947\u0902\u00a0\u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0902 \u0964<\/li>\n<li>\u0907\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u094b \u0906\u0930\u094d\u0926\u094d\u0930 \u0930\u094b\u0927\u0940 \u092c\u0930\u094d\u0924\u0928 \u092e\u0947\u0902\u00a0\u0907\u0938\u0932\u093f\u090f \u0930\u0916\u0924\u0947 \u0939\u0948\u0902 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0906\u0930\u094d\u0926\u094d\u0930 \u0935\u093e\u092f\u0941 \u0938\u0947 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930 \u091c\u093f\u092a\u094d\u0938\u092e \u092c\u0928\u093e\u0924\u093e \u0939\u0948<\/li>\n<\/ol>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928\u00a018:<\/strong>\u00a0\u0924\u0928\u0941\u0915\u0930\u0923 \u0915\u093f\u0938\u0947 \u0915\u0939\u0924\u0947 \u0939\u0948 ?<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong> \u091c\u0932 \u092e\u0947\u0902 \u0905\u092e\u094d\u0932 \u092f\u093e \u0915\u094d\u0937\u093e\u0930\u0915 \u092e\u093f\u0932\u093e\u0928\u0947 \u092a\u0930 \u0906\u092f\u0928 \u0915\u0940 \u0938\u093e\u0902\u0926\u094d\u0930\u0924\u093e (H<sub>3<\/sub>O\/OH) \u092e\u0947\u0902 \u092a\u094d\u0930\u0924\u093f\u00a0\u0907\u0915\u093e\u0908 \u0906\u092f\u0924\u0928 \u092e\u0947\u0902 \u0915\u092e\u0940 \u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948 , \u0907\u0938 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u094b \u0924\u0928\u0941\u0915\u0930\u0923 \u0915\u0939\u0924\u0947 \u0939\u0948\u0902 \u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 19:<\/strong> \u0926\u0948\u0928\u093f\u0915 \u091c\u0940\u0935\u0928 \u092e\u0947\u0902 pH \u0915\u093e \u092e\u0939\u0924\u094d\u0935 \u0932\u093f\u0916\u093f\u090f \u0964<br \/>\n<strong>\u0909\u0924\u094d\u0924\u0930:<\/strong><\/p>\n<ol>\n<li>\u0939\u092e\u093e\u0930\u093e \u0936\u0930\u0940\u0930 7.0 \u0938\u0947 7.8\u00a0pH\u00a0\u092a\u0930\u093e\u0938 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e\u0930\u094d\u092f \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u092e\u093f\u091f\u091f\u0940 \u0915\u0940\u00a0pH\u00a0\u0915\u0940 \u092a\u094d\u0930\u0915\u0943\u0924\u093f \u0905\u092e\u094d\u0932\u093f\u092f \u0939\u094b \u0924\u094b \u092b\u0938\u0932 \u0915\u0947 \u0932\u093f\u090f \u0905\u0928\u0941\u0915\u0941\u0932 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/li>\n<li>\u0939\u092e\u093e\u0930\u0947 \u0909\u0926\u0930 \u092e\u0947\u0902 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u0939\u094b\u0924\u093e \u0939\u0948 \u091c\u094b \u0909\u0926\u0930 \u0915\u094b \u0939\u093e\u0928\u093f \u092a\u0939\u0941\u0945\u091a\u093e\u090f \u092c\u093f\u0928\u093e \u092a\u093e\u091a\u0928 \u092e\u0947\u0902 \u0938\u0939\u093e\u092f\u0924\u093e \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/li>\n<li>\u092f\u0926\u093f \u092e\u0941\u0945\u0939 \u0915\u093e \u091a\u092d\u094d \u092e\u093e\u0928 5.5 \u0938\u0947 \u0915\u092e \u0939\u094b \u0924\u094b \u0926\u0949\u0924\u094b \u0915\u093e \u0915\u094d\u0937\u092f \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/li>\n<\/ol>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 20:<\/strong> \u0935\u093f\u0930\u0902\u091c\u0915 \u091a\u0942\u0930\u094d\u0923 \u0915\u093e \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u0948\u0938\u0947 \u0939\u094b\u0924\u093e \u0939\u0948 \u0907\u0938\u0915\u093e \u0924\u0940\u0928 \u0909\u092a\u092f\u094b\u0917 \u0932\u093f\u0916\u093f\u090f\u0964<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930 :<\/strong> \u0936\u0941\u0937\u094d\u0915 \u092c\u0941\u091d\u093e \u0939\u0941\u0906 \u091a\u0941\u0928\u093e [Ca(OH)<sub>2<\/sub>] \u092a\u0930 \u0915\u094d\u0932\u094b\u0930\u093f\u0928 \u0915\u093f \u0915\u094d\u0930\u093f\u092f\u093e \u0938\u0947 \u0935\u093f\u0930\u0902\u091c\u0915 \u091a\u0942\u0930\u094d\u0923 \u0915\u093e \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>Ca(OH)<sub>2<\/sub>\u00a0+ Cl<sub>2<\/sub>\u00a0\u2192\u00a0CaOCl<sub>2<\/sub>\u00a0+ H<sub>2<\/sub>O<\/p>\n<p>\u0935\u093f\u0930\u0902\u091c\u0915 \u091a\u0942\u0930\u094d\u0923 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 :<\/p>\n<p>(i) \u0935\u0938\u094d\u0924\u094d\u0930 \u0909\u0926\u094d\u092f\u094b\u0917 \u092e\u0947\u0902 \u0938\u0942\u0924\u0940 \u090f\u0935\u0902 \u0932\u093f\u0928\u0947\u0928 \u0915\u0947 \u0935\u093f\u0930\u0902\u091c\u0928 \u0915\u0947 \u0932\u093f\u090f \u0915\u093e\u0917\u091c \u0915\u0940 \u092b\u0948\u0915\u094d\u091f\u094d\u0930\u0940 \u092e\u0947\u0902 \u0932\u0915\u095c\u0940 \u0915\u0947 \u092e\u091c\u094d\u091c\u093e \u090f\u0935\u0902 \u0932\u094c\u0902\u0921\u094d\u0930\u0940 \u092e\u0947\u0902 \u0938\u093e\u092b \u0915\u092a\u095c\u094b\u0902 \u0915\u0947 \u0935\u093f\u0930\u0902\u091c\u0928 \u0915\u0947 \u0932\u093f\u090f |<\/p>\n<p>(ii) \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0909\u0926\u094d\u092f\u094b\u0917\u094b\u0902 \u092e\u0947\u0902 \u090f\u0915 \u0909\u092a\u091a\u093e\u092f\u0915 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 |<\/p>\n<p>(iii) \u092a\u0940\u0928\u0947 \u0935\u093e\u0932\u0947 \u091c\u0932 \u0915\u094b \u091c\u0940\u0935\u093e\u0923\u0941 \u0938\u0947 \u092e\u0941\u0915\u094d\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0930\u094b\u0917\u093e\u0923\u0941\u0928\u093e\u0936\u0915 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 |<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 21:<\/strong>\u00a0\u0932\u093f\u091f\u092e\u0938 \u092a\u0924\u094d\u0930 \u0915\u0939\u093e\u0901 \u0938\u0947 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948 ?<br \/>\n<strong>\u0909\u0924\u094d\u0924\u0930 :\u00a0<\/strong>\u092f\u0939 \u0925\u0948\u0932\u094b\u092b\u093e\u0907\u091f\u093e \u0938\u092e\u0941\u0939 \u0915\u0947 \u0932\u093f\u091a\u0947\u0928 \u092a\u094c\u0927\u0947 \u0938\u0947 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 22:<\/strong>\u00a0\u0924\u0940\u0928 \u092a\u094d\u0930\u093e\u0915\u0943\u0924\u093f\u0915 \u092a\u0926\u093e\u0930\u094d\u0925\u094b \u0915\u093e \u0928\u093e\u092e \u092c\u0924\u093e\u0907\u090f \u091c\u094b \u0905\u092e\u094d\u0932 \u0914\u0930 \u0915\u094d\u0937\u093e\u0930 \u0915\u0940 \u0909\u092a\u0938\u094d\u0925\u094d\u0924\u093f\u093f \u0915\u094b \u0938\u0942\u091a\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948 ?<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong><\/p>\n<ol>\n<li>\u0939\u0932\u094d\u0926\u0940<\/li>\n<li>\u0932\u093f\u091f\u092e\u0938 \u092a\u0924\u094d\u0930<\/li>\n<li>\u0932\u093e\u0932 \u092c\u0902\u0926\u0917\u094b\u092d\u0940<\/li>\n<\/ol>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 23:<\/strong> \u0905\u092e\u094d\u0932 \u0914\u0930 \u0915\u094d\u0937\u093e\u0930\u0915 \u0915\u0947 \u0926\u094b \u0926\u094b \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0917\u0941\u0923 \u0932\u093f\u0916\u093f\u090f\u0964<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong>\u00a0\u0905\u092e\u094d\u0932 \u0915\u0947 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0917\u0941\u0923:-<\/p>\n<p>(i) \u092f\u0939 \u091c\u0932 \u0915\u0947 \u0938\u093e\u0925\u00a0H<sup>+<\/sup>\u00a0\u0906\u092f\u0928 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<br \/>\n(ii) \u0905\u092e\u094d\u0932 \u0927\u093e\u0924\u0941 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930 \u0932\u0935\u0923 \u0924\u0925\u093e \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0917\u0948\u0938 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0915\u094d\u0937\u093e\u0930\u0915 \u0915\u0947 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0917\u0941\u0923:-<\/p>\n<p>(i) \u092f\u0939 \u091c\u0932 \u0915\u0947 \u0938\u093e\u0925 (OH)<sup>&#8211;\u00a0<\/sup>\u0906\u092f\u0928 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<br \/>\n(ii) \u0915\u094d\u0937\u093e\u0930\u0915 \u0905\u092e\u094d\u0932 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930 \u0932\u0935\u0923 \u0924\u0925\u093e \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0917\u0948\u0938 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 24:<\/strong>\u00a0\u0906\u0938\u0935\u093f\u0924 \u091c\u0932 \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0915\u093e \u091a\u093e\u0932\u0915 \u0915\u094d\u092f\u094b\u0902 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e \u091c\u092c\u0915\u093f \u0935\u0930\u094d\u0937\u093e \u091c\u0932 \u0939\u094b\u0924\u093e \u0939\u0948 ?<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong>\u0906\u0938\u0935\u093f\u0924 \u091c\u0932 \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0915\u093e \u091a\u093e\u0932\u0915 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0909\u0938\u092e\u0947\u0902\u00a0H<sup>+<\/sup>\u00a0\u0906\u092f\u0928 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e, \u0906\u0938\u0935\u093f\u0924 \u091c\u0932 \u0909\u0926\u093e\u0938\u0940\u0928 \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u091c\u092c\u0915\u093f \u0935\u0930\u094d\u0937\u093e \u091c\u0932 \u0915\u0940 \u092a\u094d\u0930\u0915\u0943\u0924\u093f \u0926\u0941\u0930\u094d\u092c\u0932 \u0905\u092e\u094d\u0932\u0940\u092f \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u0909\u0938\u092e\u0947\u0902 H<sup>+<\/sup>\u00a0\u0906\u092f\u0928 \u0909\u092a\u0938\u094d\u0925\u093f\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948 \u091c\u094b \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0915\u093e \u091a\u093e\u0932\u0928 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 25:\u00a0<\/strong>\u092a\u0940\u0924\u0932 \u090f\u0935\u0902 \u0924\u093e\u0901\u092c\u0947 \u0915\u0947 \u092c\u0930\u094d\u0924\u0928\u094b\u0902 \u092e\u0947\u0902 \u0926\u0939\u0940 \u090f\u0935\u0902 \u0916\u091f\u094d\u091f\u0947 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u094d\u092f\u094b\u0902 \u0928\u0939\u0940\u0902 \u0930\u0916\u0924\u0947 \u0939\u0948 ?<\/p>\n<p><strong>\u0909\u0924\u0930:<\/strong> \u092a\u0940\u0924\u0932 \u090f\u0935\u0902 \u0924\u093e\u0901\u092c\u0947 \u0915\u0947 \u092c\u0930\u094d\u0924\u0928\u094b\u0902 \u092e\u0947\u0902 \u0926\u0939\u0940 \u090f\u0935\u0902 \u0916\u091f\u094d\u091f\u0947 \u092a\u0926\u093e\u0930\u094d\u0925 \u0928\u0939\u0940\u0902 \u0930\u0916\u0924\u0947 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0926\u0939\u0940 \u090f\u0935\u0902 \u0916\u091f\u094d\u091f\u0947 \u092a\u0926\u093e\u0930\u094d\u0925\u094b \u092e\u0947\u0902 \u0909\u092a\u0938\u094d\u0925\u093f\u0924 \u0905\u092e\u094d\u0932 \u092a\u0940\u0924\u0932 \u0924\u0925\u093e \u0924\u093e\u0901\u092c\u093e \u0938\u0947 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930 \u092c\u0930\u094d\u0924\u0928 \u0915\u094b \u0928\u0937\u094d\u091f \u0915\u0930 \u0926\u0947\u0924\u093e \u0939\u0948 \u0924\u0925\u093e \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u093e \u0938\u094d\u0935\u093e\u0926 \u092c\u0926\u0932 \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 26:<\/strong>\u00a0\u0915\u094b\u0908 \u0927\u093e\u0924\u0941 \u092f\u094c\u0917\u093f\u0915 &#8216;A&#8217; \u0924\u0928\u0941 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u0915\u0947 \u0938\u093e\u0925 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948 \u0924\u094b \u092c\u0941\u0926\u092c\u0941\u0926\u093e\u0939\u091f \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 \u0907\u0938\u0938\u0947 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0917\u0948\u0938 \u091c\u0932\u0924\u0940 \u092e\u094b\u092e\u092c\u0924\u0940 \u0915\u094b \u092c\u0941\u091d\u093e \u0926\u0947\u0924\u0940 \u0939\u0948 \u0964 \u092f\u0926\u093f \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u092f\u094c\u0917\u093f\u0915\u094b\u0902 \u092e\u0947\u0902 \u0938\u0947 \u090f\u0915 \u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e \u0915\u094d\u0932\u094b\u0930\u093e\u0907\u0921 \u0939\u0948 , \u0924\u094b \u0907\u0938 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u0932\u093f\u090f \u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u092e\u0940\u0915\u0930\u0923 \u0932\u093f\u0916\u093f\u090f\u0964<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong> \u00a0Ca\u00a0+ 2HCl\u00a0\u2192\u00a0CaCl<sub>2<\/sub>\u00a0+ H<sub>2<\/sub><\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 27:<\/strong>\u00a0\u0939\u092e\u093e\u0930\u0947 \u0936\u0930\u0940\u0930 \u092e\u0947\u0902 \u0926\u093e\u0901\u0924\u094b\u0902 \u0915\u093e \u0907\u0928\u0948\u092e\u0932 \u090f\u0915 \u0938\u092c\u0938\u0947 \u0915\u0920\u094b\u0930 \u092a\u0926\u093e\u0930\u094d\u0925 \u0939\u0948\u0902 \u0964 \u091a\u0949\u0915\u0932\u0947\u091f \u0924\u0925\u093e \u092e\u093f\u0920\u093e\u0908 \u0916\u093e\u0928\u0947 \u0938\u0947 \u092f\u0939 \u0915\u094d\u0937\u092f \u0915\u0948\u0938\u0947 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0948\u0902 ? \u0907\u0938\u0915\u0940 \u0930\u094b\u0915\u0925\u093e\u092e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u094d\u092f\u093e \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f ? \u0907\u0928\u0948\u092e\u0932 \u0915\u093f\u0938\u0915\u093e \u092c\u0928\u093e \u0939\u094b\u0924\u093e \u0939\u0948\u0902 ? \u092e\u0941\u0901\u0939 \u0915\u093e pH \u092e\u093e\u0928 \u0915\u093f\u0924\u0928\u093e \u0939\u094b\u0924\u093e \u0939\u0948\u0902 ?<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:<\/strong> \u092d\u094b\u091c\u0928 \u0915\u0947 \u092c\u093e\u0926\u00a0\u092e\u0941\u0901\u0939 \u0938\u093e\u092b \u0915\u0930\u0928\u0947 \u0938\u0947 \u0907\u0938\u0938\u0947 \u092c\u091a\u093e\u0935 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u092e\u0941\u0901\u0939 \u0915\u0940 \u0938\u092b\u093e\u0908 \u0915\u0947\u00a0\u0932\u093f\u090f \u0915\u094d\u0937\u093e\u0930\u0915\u0940\u092f\u00a0\u0926\u0902\u0924-\u092e\u0902\u091c\u0928 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0928\u0947 \u0938\u0947 \u0905\u092e\u094d\u0932 \u0915\u0940 \u0906\u0927\u093f\u0915\u094d\u092f \u092e\u093e\u0924\u094d\u0930\u093e \u0915\u094b \u0909\u0926\u093e\u0938\u0940\u0928 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e\u00a0\u0939\u0948 \u091c\u093f\u0938\u0915\u0947 \u092a\u0930\u093f\u0923\u093e\u092e\u0938\u094d\u0935\u0930\u0942\u092a \u0926\u0902\u0924 \u0915\u094d\u0937\u092f \u0915\u094b \u0930\u094b\u0915\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n<p>\u0926\u093e\u0901\u0924\u094b\u0902 \u0915\u093e \u0907\u0928\u0948\u092e\u0947\u0932 \u0915\u0948\u0932\u094d\u0936\u093f\u092f\u092e \u092b\u0949\u0938\u094d\u092b\u0947\u091f \u0915\u093e \u092c\u0928\u093e \u0939\u094b\u0924\u093e \u0939\u0948 |<\/p>\n<p>\u092e\u0941\u0901\u0939 \u0915\u093e pH \u092e\u093e\u0928 5.5 \u0939\u094b\u0924\u093e \u0939\u0948 |<\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 28:<\/strong>\u00a0\u090f\u0915 \u092a\u0926\u093e\u0930\u094d\u0925 &#8216;A&#8217;\u00a0\u0935\u093e\u0936\u093f\u0917 \u0938\u094b\u0921\u0947 \u0915\u0940 \u0938\u093f\u0930\u0915\u0947 \u0938\u0947 \u0915\u094d\u0930\u093f\u092f\u093e \u0938\u0947 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948\u0902 \u0964 \u092a\u0926\u093e\u0930\u094d\u0925 A \u0915\u094d\u092f\u093e \u0939\u0948\u0902 ?<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930: \u00a0<\/strong><\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 29:<\/strong>\u00a0\u0915\u093f\u0938\u0940 \u091f\u0942\u091f\u0940 \u0939\u0941\u0908 \u0939\u0921\u094d\u0921\u0940\u00a0\u0915\u094b \u0938\u094d\u0925\u093f\u0930 \u0930\u0916\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0921\u0949\u0915\u094d\u091f\u0930 \u0936\u094d\u0935\u0947\u0924 \u092a\u093e\u0909\u0921\u0930 \u0915\u0940 \u092a\u093e\u0928\u0940 \u092e\u0947\u0902 \u092c\u0928\u0940 \u0935\u0947\u0938\u094d\u091f \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902 \u0964<\/p>\n<p>(i) \u0907\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u093e \u0928\u093e\u092e \u092c\u0924\u093e\u0907\u090f \u0964<br \/>\n(ii) \u0907\u0938\u0915\u093e \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0942\u0924\u094d\u0930 \u0932\u093f\u0916\u094b\u0902 \u0964<br \/>\n(iii) \u0907\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u093e \u090f\u0915 \u0935\u093f\u0936\u0947\u0937 \u0917\u0941\u0923 \u092c\u0924\u093e\u0907\u090f \u0964<br \/>\n(iv) \u0907\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u094b \u0906\u0930\u094d\u0926\u094d\u0930 \u0930\u094b\u0927\u0940 \u092c\u0930\u094d\u0924\u0928 \u092e\u0947\u0902 \u0915\u094d\u092f\u094b \u0930\u0916\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u0964<\/p>\n<p><strong>\u0909\u0924\u094d\u0924\u0930:\u00a0<\/strong><\/p>\n<p><strong>\u092a\u094d\u0930\u0936\u094d\u0928 30:<\/strong>\u00a0\u0938\u092d\u0940 \u0905\u092e\u094d\u0932\u094b\u0902 \u092e\u0947 \u0915\u094d\u092f\u093e \u0938\u092e\u093e\u0928\u0924\u093e \u0939\u0948 ? \u0915\u094b\u0908 \u090f\u0915 \u0938\u092e\u093e\u0928\u0924\u093e \u0932\u093f\u0916\u093f\u090f |<\/p>\n<\/div>\n<p>Hope given NCERT Solutions for Class 10 Science Chapter 2\u00a0are helpful to complete your homework.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) These Solutions are part of NCERT Solutions for Class 10 Science in Hindi Medium. Here we have given NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts. Chapter 2. \u0905\u092e\u094d\u0932, \u0915\u094d\u0937\u093e\u0930 \u090f\u0935\u0902 \u0932\u0935\u0923 \u0905\u0927\u094d\u092f\u093e\u092f-\u0938\u092e\u0940\u0915\u094d\u0937\u093e: \u0905\u092e\u094d\u0932 \u0938\u094d\u0935\u093e\u0926 \u092e\u0947\u0902 \u0916\u091f\u094d\u091f\u0947 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-chapter-2-hindi\/\"> <span class=\"screen-reader-text\">NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium)<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":7,"featured_media":7094,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","spay_email":""},"categories":[2],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) - MCQ Questions<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-chapter-2-hindi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) - MCQ Questions\" \/>\n<meta property=\"og:description\" content=\"NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) These Solutions are part of NCERT Solutions for Class 10 Science in Hindi Medium. Here we have given NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts. Chapter 2. \u0905\u092e\u094d\u0932, \u0915\u094d\u0937\u093e\u0930 \u090f\u0935\u0902 \u0932\u0935\u0923 \u0905\u0927\u094d\u092f\u093e\u092f-\u0938\u092e\u0940\u0915\u094d\u0937\u093e: \u0905\u092e\u094d\u0932 \u0938\u094d\u0935\u093e\u0926 \u092e\u0947\u0902 \u0916\u091f\u094d\u091f\u0947 &hellip; NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) Read More &raquo;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-chapter-2-hindi\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ Questions\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/NCERTSolutionsGuru\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-23T04:58:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-03-02T04:54:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mcq-questions.com\/wp-content\/uploads\/2018\/07\/NCERT-Solutions-for-Class-10-Science-Chapter-2-Acids-Bases-and-Salts-Hindi-Medium.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ncertsolguru\" \/>\n<meta name=\"twitter:site\" content=\"@ncertsolguru\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Veer\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/mcq-questions.com\/#website\",\"url\":\"https:\/\/mcq-questions.com\/\",\"name\":\"MCQ Questions\",\"description\":\"MCQ Questions for Class 1 to 12\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/mcq-questions.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-chapter-2-hindi\/#primaryimage\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/i0.wp.com\/mcq-questions.com\/wp-content\/uploads\/2018\/07\/NCERT-Solutions-for-Class-10-Science-Chapter-2-Acids-Bases-and-Salts-Hindi-Medium.png?fit=1280%2C720&ssl=1\",\"contentUrl\":\"https:\/\/i0.wp.com\/mcq-questions.com\/wp-content\/uploads\/2018\/07\/NCERT-Solutions-for-Class-10-Science-Chapter-2-Acids-Bases-and-Salts-Hindi-Medium.png?fit=1280%2C720&ssl=1\",\"width\":1280,\"height\":720,\"caption\":\"NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium)\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-chapter-2-hindi\/#webpage\",\"url\":\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-chapter-2-hindi\/\",\"name\":\"NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) - 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Here we have given NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts. Chapter 2. \u0905\u092e\u094d\u0932, \u0915\u094d\u0937\u093e\u0930 \u090f\u0935\u0902 \u0932\u0935\u0923 \u0905\u0927\u094d\u092f\u093e\u092f-\u0938\u092e\u0940\u0915\u094d\u0937\u093e: \u0905\u092e\u094d\u0932 \u0938\u094d\u0935\u093e\u0926 \u092e\u0947\u0902 \u0916\u091f\u094d\u091f\u0947 &hellip; NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) Read More &raquo;","og_url":"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-chapter-2-hindi\/","og_site_name":"MCQ Questions","article_publisher":"https:\/\/www.facebook.com\/NCERTSolutionsGuru\/","article_published_time":"2021-07-23T04:58:21+00:00","article_modified_time":"2022-03-02T04:54:47+00:00","og_image":[{"width":1280,"height":720,"url":"https:\/\/mcq-questions.com\/wp-content\/uploads\/2018\/07\/NCERT-Solutions-for-Class-10-Science-Chapter-2-Acids-Bases-and-Salts-Hindi-Medium.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_creator":"@ncertsolguru","twitter_site":"@ncertsolguru","twitter_misc":{"Written by":"Veer","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebSite","@id":"https:\/\/mcq-questions.com\/#website","url":"https:\/\/mcq-questions.com\/","name":"MCQ Questions","description":"MCQ Questions for Class 1 to 12","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mcq-questions.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"ImageObject","@id":"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-chapter-2-hindi\/#primaryimage","inLanguage":"en-US","url":"https:\/\/i0.wp.com\/mcq-questions.com\/wp-content\/uploads\/2018\/07\/NCERT-Solutions-for-Class-10-Science-Chapter-2-Acids-Bases-and-Salts-Hindi-Medium.png?fit=1280%2C720&ssl=1","contentUrl":"https:\/\/i0.wp.com\/mcq-questions.com\/wp-content\/uploads\/2018\/07\/NCERT-Solutions-for-Class-10-Science-Chapter-2-Acids-Bases-and-Salts-Hindi-Medium.png?fit=1280%2C720&ssl=1","width":1280,"height":720,"caption":"NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium)"},{"@type":"WebPage","@id":"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-chapter-2-hindi\/#webpage","url":"https:\/\/mcq-questions.com\/ncert-solutions-for-class-10-science-chapter-2-hindi\/","name":"NCERT Solutions for Class 10 Science Chapter 2 Acids, Bases and Salts (Hindi Medium) - 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