{"id":1438,"date":"2021-07-23T10:23:25","date_gmt":"2021-07-23T04:53:25","guid":{"rendered":"http:\/\/mcq-questions.com\/?p=1438"},"modified":"2022-03-02T10:24:49","modified_gmt":"2022-03-02T04:54:49","slug":"ncert-solutions-for-class-9-science-chapter-3-hindi","status":"publish","type":"post","link":"https:\/\/mcq-questions.com\/ncert-solutions-for-class-9-science-chapter-3-hindi\/","title":{"rendered":"NCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules (Hindi Medium)"},"content":{"rendered":"

NCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules (Hindi Medium)<\/span><\/h2>\n

These Solutions are part of NCERT Solutions for Class 9 Science in Hindi Medium<\/a>. Here we have given NCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules.<\/p>\n

\u092a\u093e\u0920\u0917\u0924 \u0939\u0932 \u092a\u094d\u0930\u0936\u094d\u0928 (NCERT IN-TEXT QUESTIONS SOLVED)<\/strong><\/span><\/p>\n

NCERT \u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 (\u092a\u0943\u0937\u094d\u0920 \u0938\u0902\u0916\u094d\u092f\u093e 36)<\/strong><\/p>\n

\u092a\u094d\u0930\u0966 1. \u090f\u0915 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902 5.3g \u0938\u094b\u0921\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f \u090f\u0935\u0902 6.0 g \u090f\u0938\u0940\u091f\u093f\u0915 \u0905\u092e\u094d\u0932 \u0905\u092d\u093f\u0915\u0943\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964 2.2g \u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 8.2 g \u0938\u094b\u0921\u093f\u092f\u092e \u090f\u0938\u0940\u091f\u0947\u091f \u090f\u0935\u0902 0.9 g \u091c\u0932 \u0909\u0924\u094d\u092a\u093e\u0926 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964 \u0907\u0938 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0926\u094d\u0935\u093e\u0930\u093e \u0926\u093f\u0916\u093e\u0907\u090f \u0915\u093f \u092f\u0939 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0938\u0902\u0930\u0915\u094d\u0937\u0923 \u0915\u0947 \u0928\u093f\u092f\u092e \u0915\u0947 \u0905\u0928\u0941\u0930\u0942\u092a \u0939\u0948\u0964<\/strong>
\n\u0938\u094b\u0921\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f + \u090f\u0938\u0940\u091f\u093f\u0915 \u0905\u092e\u094d\u0932 \u2192 \u0938\u094b\u0921\u093f\u092f\u092e \u090f\u0938\u0940\u091f\u0947\u091f + \u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 + \u091c\u0932<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0905\u092d\u093f\u0915\u093e\u0930\u0915\u094b\u0902 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = \u0938\u094b\u0921\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 + \u090f\u0938\u0940\u091f\u093f\u0915 \u0905\u092e\u094d\u0932 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928
\n= 5.3 g + 6.0 g = 11.3 g …(i)
\n\u0909\u0924\u094d\u092a\u093e\u0926\u094b\u0902 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = \u0938\u094b\u0921\u093f\u092f\u092e \u090f\u0938\u0940\u091f\u0947\u091f + \u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 + \u091c\u0932
\n= 8.2 g + 2.2 g + 0.9 g = 11.3 g …(ii)
\n\u0938\u092e\u0940\u0915\u0930\u0923 (i) \u0924\u0925\u093e (ii) \u0938\u0947 \u0938\u094d\u092a\u0937\u094d\u091f \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948 \u0915\u093f
\n\u0905\u092d\u093f\u0915\u093e\u0930\u0915\u094b\u0902 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = \u0909\u0924\u094d\u092a\u093e\u0926\u094b\u0902 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928\u0902
\n\u0905\u0924\u0903 \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0938\u0902\u0930\u0915\u094d\u0937\u0923 \u0915\u0947 \u0928\u093f\u092f\u092e \u0915\u0947 \u0905\u0928\u0941\u0930\u0942\u092a \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 2. \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u090f\u0935\u0902 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 1 : 8 \u0915\u0947 \u0905\u0928\u0941\u092a\u093e\u0924 \u092e\u0947\u0902 \u0938\u0902\u092f\u094b\u0917 \u0915\u0930\u0915\u0947 \u091c\u0932 \u0928\u093f\u0930\u094d\u092e\u093f\u0924 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 3 g \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0917\u0948\u0938 \u0915\u0947 \u0938\u093e\u0925 \u092a\u0942\u0930\u094d\u0923\u0930\u0942\u092a \u0938\u0947 \u0938\u0902\u092f\u094b\u0917 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u0924\u0928\u0947 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0917\u0948\u0938 \u0915\u0947 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0917\u0940?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0926\u093f\u092f\u093e \u0939\u0948-\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 : \u0911\u0915\u094d\u0938\u0940\u091c\u0928 = 1 : 8
\n\u091a\u0942\u0901\u0915\u093f 1 g \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 8 g \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0938\u0947 \u0938\u0902\u092f\u094b\u0917 \u0915\u0930\u0924\u0940 \u0939\u0948\u0964
\n\u0907\u0938\u0932\u093f\u090f, 3 g \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 (8 x 3) g= 24 g \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0938\u0947 \u0938\u0902\u092f\u094b\u0917 \u0915\u0930\u0947\u0917\u0940\u0964
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 3. \u0921\u093e\u0932\u094d\u091f\u0928 \u0915\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924 \u0915\u093e \u0915\u094c\u0928-\u0938\u093e \u0905\u092d\u093f\u0917\u094d\u0930\u0939\u0940\u0924 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0947 \u0938\u0902\u0930\u0915\u094d\u0937\u0923 \u0915\u0947 \u0928\u093f\u092f\u092e \u0915\u093e \u092a\u0930\u093f\u0923\u093e\u092e \u0939\u0948?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0921\u093e\u0932\u094d\u091f\u0928 \u0915\u0947 \u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924 \u0915\u093e \u0926\u0942\u0938\u0930\u093e \u0905\u092d\u093f\u0917\u094d\u0930\u0939\u0940\u0924 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0947 \u0938\u0902\u0930\u0915\u094d\u0937\u0923 \u0928\u093f\u092f\u092e \u0915\u093e \u092a\u0930\u093f\u0923\u093e\u092e \u0939\u0948, \u091c\u094b \u0907\u0938 \u092a\u094d\u0930\u0915\u093e\u0930 \u0939\u0948\u092a\u0930\u092e\u093e\u0923\u0941 \u0905\u0935\u093f\u092d\u093e\u091c\u094d\u092f \u0938\u0942\u0915\u094d\u0937\u094d\u092e\u0924\u092e \u0915\u0923 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902 \u091c\u094b \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902 \u0928 \u0924\u094b \u0938\u0943\u091c\u093f\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902, \u0928 \u0939\u0940 \u0909\u0928\u0915\u093e \u0935\u093f\u0928\u093e\u0936 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 4. \u0921\u093e\u0932\u094d\u091f\u0928 \u0915\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924 \u0915\u093e \u0915\u094c\u0928-\u0938\u093e \u0905\u092d\u093f\u0917\u094d\u0930\u0939\u0940\u0924 \u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0905\u0928\u0941\u092a\u093e\u0924 \u0915\u0947 \u0928\u093f\u092f\u092e \u0915\u0940 \u0935\u094d\u092f\u093e\u0916\u094d\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0921\u093e\u0932\u094d\u091f\u0928 \u0915\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924 \u0915\u093e \u0905\u092d\u093f\u0917\u094d\u0930\u0939\u0940\u0924 (VI) \u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0905\u0928\u0941\u092a\u093e\u0924 \u0915\u0947 \u0928\u093f\u092f\u092e \u0915\u0940 \u0935\u094d\u092f\u093e\u0916\u094d\u092f\u093e \u0915\u0930\u0924\u093e \u0939\u0948, \u091c\u094b \u0907\u0938 \u092a\u094d\u0930\u0915\u093e\u0930 \u0939\u0948”\u0915\u093f\u0938\u0940 \u092d\u0940 \u092f\u094c\u0917\u093f\u0915 \u092e\u0947\u0902 \u092a\u0930\u092e\u093e\u0923\u0941\u0913\u0902 \u0915\u0940 \u0938\u093e\u092a\u0947\u0915\u094d\u0937 \u0938\u0902\u0916\u094d\u092f\u093e \u090f\u0935\u0902 \u092a\u094d\u0930\u0915\u093e\u0930 \u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964”<\/p>\n

NCERT \u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 (\u092a\u0943\u0937\u094d\u0920 \u0938\u0902\u0916\u094d\u092f\u093e 40)<\/strong><\/p>\n

\u092a\u094d\u0930\u0966 1. \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0907\u0915\u093e\u0908 \u0915\u094b \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u0940\u091c\u093f\u090f\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0907\u0915\u093e\u0908 (Atomic Mass Unit) \u0915\u093e\u0930\u094d\u092c\u0928 -12 \u0938\u092e\u0938\u094d\u0925\u093e\u0928\u093f\u0915 \u0915\u0947 \u090f\u0915 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u0947 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0947 \\(\\frac { 1 }{ 12 }\\) \u0935\u0947\u0902 \u092d\u093e\u0917 \u0915\u0947 \u092c\u0930\u093e\u092c\u0930 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 2. \u090f\u0915 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u094b \u0906\u0901\u0916\u094b\u0902 \u0926\u094d\u0935\u093e\u0930\u093e \u0926\u0947\u0916\u0928\u093e \u0915\u094d\u092f\u094b\u0902 \u0938\u0902\u092d\u0935 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e \u0939\u0948?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u090f\u0915 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u094b \u0906\u0901\u0916\u094b\u0902 \u0926\u094d\u0935\u093e\u0930\u093e \u0926\u0947\u0916\u0928\u093e \u0938\u0902\u092d\u0935 \u0907\u0938\u0932\u093f\u090f \u0928\u0939\u0940\u0902 \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0907\u0938\u0915\u093e \u0938\u093e\u0907\u091c \u0905\u0924\u094d\u092f\u0902\u0924 \u091b\u094b\u091f\u093e \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u0907\u0938\u0947 \u0928\u0948\u0928\u094b\u092e\u0940\u091f\u0930 \u092e\u0947\u0902 \u092e\u093e\u092a\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 1nm = 10-9<\/sup> m
\n\u0905\u0924\u0903 \u0907\u0938\u0947 \u0916\u0941\u0932\u0940 \u0906\u0901\u0916\u094b\u0902 \u0938\u0947 \u0926\u0947\u0916\u0928\u093e \u0938\u0902\u092d\u0935 \u0928\u0939\u0940\u0902 \u0939\u0948\u0964<\/p>\n

NCERT \u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 (\u092a\u0943\u0937\u094d\u0920 \u0938\u0902\u0916\u094d\u092f\u093e 44)<\/strong><\/p>\n

\u092a\u094d\u0930\u0966 1. \u0928\u093f\u092e\u094d\u0928 \u0915\u0947 \u0938\u0942\u0924\u094d\u0930 \u0932\u093f\u0916\u093f\u090f<\/strong>
\n(i) \u0938\u094b\u0921\u093f\u092f\u092e \u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/strong>
\n(ii) \u0910\u0932\u0941\u092e\u093f\u0928\u093f\u092f\u092e \u0915\u094d\u0932\u094b\u0930\u093e\u0907\u0921<\/strong>
\n(iii) \u0938\u094b\u0921\u093f\u092f\u092e \u0938\u0932\u094d\u092b\u093e\u0907\u0921<\/strong>
\n(iv) \u092e\u0948\u0917\u094d\u0928\u0940\u0936\u093f\u092f\u092e \u0939\u093e\u0907\u0921\u094d\u0930\u0949\u0915\u094d\u0938\u093e\u0907\u0921\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n\"NCERT
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 2. \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0938\u0942\u0924\u094d\u0930\u094b\u0902 \u0926\u094d\u0935\u093e\u0930\u093e \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u093f\u0924 \u092f\u094c\u0917\u093f\u0915\u094b\u0902 \u0915\u0947 \u0928\u093e\u092e \u0932\u093f\u0916\u093f\u090f<\/strong>
\n(i) Al2<\/sub>(SO4<\/sub>)3<\/sub><\/strong>
\n(ii) CaCl2<\/sub><\/strong>
\n(iii) K2<\/sub>SO4<\/sub><\/strong>
\n(iv) KNO3<\/sub><\/strong>
\n(v) CaCO3<\/sub><\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n(i) Al2<\/sub>(SO4<\/sub>)3<\/sub> = \u0910\u0932\u0941\u092e\u093f\u0928\u093f\u092f\u092e \u0938\u0932\u094d\u092b\u0947\u091f
\n(ii) CaCl2<\/sub> = \u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e \u0915\u094d\u0932\u094b\u0930\u093e\u0907\u0921
\n(iii) K2<\/sub>SO4<\/sub> = \u092a\u094b\u091f\u0948\u0936\u093f\u092f\u092e \u0938\u0932\u094d\u092b\u0947\u091f
\n(iv) KNO3<\/sub> = \u092a\u094b\u091f\u0948\u0936\u093f\u092f\u092e \u0928\u093e\u0907\u091f\u094d\u0930\u0947\u091f
\n(v) CaCO3<\/sub> = \u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f<\/p>\n

\u092a\u094d\u0930\u0966 3. \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0942\u0924\u094d\u0930 \u0915\u094b \u0915\u094d\u092f\u093e \u0924\u093e\u0924\u094d\u092a\u0930\u094d\u092f \u0939\u0948?
\n<\/strong>\u0909\u0924\u094d\u0924\u0930-<\/strong>\u00a0\u0915\u093f\u0938\u0940 \u092f\u094c\u0917\u093f\u0915 \u0915\u093e \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0942\u0924\u094d\u0930 \u0909\u0938\u0915\u0947 \u0938\u0902\u0918\u091f\u0915 \u0915\u093e \u092a\u094d\u0930\u0924\u0940\u0915\u093e\u0924\u094d\u092e\u0915 \u0928\u093f\u0930\u0942\u092a\u0923 \u0939\u094b\u0924\u093e \u0939\u0948; \u091c\u0948\u0938\u0947-\u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 \u0915\u093e \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0942\u0924\u094d\u0930 CO2<\/sub> \u0939\u0948\u0964 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0942\u0924\u094d\u0930 \u0915\u094b \u0905\u0923\u0941 \u0938\u0942\u0924\u094d\u0930 \u092d\u0940 \u0915\u0939\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n

\u092a\u094d\u0930\u0966 4. \u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0915\u093f\u0924\u0928\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u0935\u093f\u0926\u094d\u092f\u092e\u093e\u0928 \u0939\u0948\u0902?<\/strong>
\n(i) H2<\/sub>S \u0905\u0923\u0941 \u090f\u0935\u0902<\/strong>
\n(ii) \\({ PO }_{ 4 }^{ 3- }\\) \u0906\u092f\u0928?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n(i) H2<\/sub>S \u0915\u0947 \u0905\u0923\u0941 \u092e\u0947\u0902 2 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 \u0924\u0925\u093e 1 \u0938\u0932\u094d\u092b\u0930 \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0935\u093f\u0926\u094d\u092f\u092e\u093e\u0928 \u0939\u0948\u0964 \u0905\u0924\u0903 \u0907\u0938\u092e\u0947\u0902 \u092a\u0930\u092e\u093e\u0923\u0941\u0913\u0902 \u0915\u0940 \u0915\u0941\u0932 \u0938\u0902\u0916\u094d\u092f\u093e = 3 \u0939\u0948\u0964
\n(ii) \\({ PO }_{ 4 }^{ 3- }\\) \u0906\u092f\u0928 \u092e\u0947\u0902 \u092b\u093e\u0938\u094d\u092b\u094b\u0930\u0938 \u0915\u093e 1 \u092a\u0930\u092e\u093e\u0923\u0941 \u0924\u0925\u093e \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0915\u0947 4 \u092a\u0930\u092e\u093e\u0923\u0941 \u0939\u0948\u0902\u0964
\n\u0905\u0924\u0903 \u0907\u0938\u092e\u0947\u0902 \u092a\u0930\u092e\u093e\u0923\u0941\u0913\u0902 \u0915\u0940 \u0915\u0941\u0932 \u0938\u0902\u0916\u094d\u092f\u093e = 5 \u0939\u0948\u0964<\/p>\n

NCERT \u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 (\u092a\u0943\u0937\u094d\u0920 \u0938\u0902\u0916\u094d\u092f\u093e 46)<\/strong><\/p>\n

\u092a\u094d\u0930\u0966 1. \u0928\u093f\u092e\u094d\u0928 \u092f\u094c\u0917\u093f\u0915\u094b\u0902 \u0915\u0947 \u0906\u0923\u094d\u0935\u093f\u0915 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u093e \u092a\u0930\u093f\u0915\u0932\u0928 \u0915\u0940\u091c\u093f\u090f H2<\/sub>, O2<\/sub>, Cl2<\/sub>, CO2<\/sub>, CH4<\/sub>, C2<\/sub>H6<\/sub>, C2<\/sub>H4<\/sub>, NH3<\/sub> \u090f\u0935\u0902 CH3<\/sub>OH<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0926\u093f\u090f \u0917\u090f \u0924\u0924\u094d\u0924\u094d\u0935\u094b\u0902 \u0915\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 :
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 2. \u0928\u093f\u092e\u094d\u0928 \u092f\u094c\u0917\u093f\u0915\u094b\u0902 \u0915\u0947 \u0938\u0942\u0924\u094d\u0930 \u0907\u0915\u093e\u0908 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u093e \u092a\u0930\u093f\u0915\u0932\u0928 \u0915\u0940\u091c\u093f\u090f|<\/strong>
\nZnO, Na2<\/sub>O \u090f\u0935\u0902 K2<\/sub>CO3<\/sub><\/strong>
\n\u0926\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948: Zn \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 65u, Na \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 23u, K \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 39u, C \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 12u \u090f\u0935\u0902 O \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 16u \u0939\u0948\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> (i) ZnO \u0915\u093e \u0938\u0942\u0924\u094d\u0930 \u0907\u0915\u093e\u0908 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = Zn \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 + O \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = (1 x 65 +1 x 16)u = (65 + 16)u = 81u
\n(ii) Na2<\/sub>O \u0915\u093e \u0938\u0942\u0924\u094d\u0930 \u0907\u0915\u093e\u0908 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = (2 \u0938\u094b\u0921\u093f\u092f\u092e \u0915\u0940 \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928) + (1 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928)
\n= (2 x 23 + 1 x 16)u = (46 + 16)u = 62u
\n(iii) K2<\/sub>CO3<\/sub> \u0915\u093e \u0938\u0942\u0924\u094d\u0930 \u0907\u0915\u093e\u0908 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = (2 K \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928) + (1 C \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928) + (3 O \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928)
\n= (2 x 39 + 1 x 12 + 3 x 16)u
\n= (78 + 12 + 48)u = 138u<\/p>\n

NCERT \u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 (\u092a\u0943\u0937\u094d\u0920 \u0938\u0902\u0916\u094d\u092f\u093e 48 )<\/strong><\/p>\n

\u092a\u094d\u0930\u0966 1. \u092f\u0926\u093f \u0915\u093e\u0930\u094d\u092c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941\u0913\u0902 \u0915\u0947 \u090f\u0915 \u092e\u094b\u0932 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 12 g \u0939\u0948 \u0924\u094b \u0915\u093e\u0930\u094d\u092c\u0928 \u0915\u0947 \u090f\u0915 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u094d\u092f\u093e \u0939\u094b\u0917\u093e?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0915\u093e\u0930\u094d\u092c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941\u0913\u0902 \u0915\u0947 1 \u092e\u094b\u0932 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 12 g
\n1 \u092e\u094b\u0932 \u0915\u093e\u0930\u094d\u092c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 = 6.022 x 1023<\/sup> \u092a\u0930\u092e\u093e\u0923\u0941
\n\u0905\u0924\u0903 1 \u092e\u094b\u0932 \u0915\u093e\u0930\u094d\u092c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 = 6.022 x 1023<\/sup> \u092a\u0930\u092e\u093e\u0923\u0941 = 12 g
\n6.022 x 1023<\/sup> \u0915\u093e\u0930\u094d\u092c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941\u0913\u0902 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 12 g \u0939\u0948\u0964
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 2. \u0915\u093f\u0938\u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u092a\u0930\u092e\u093e\u0923\u0941 \u0939\u094b\u0902\u0917\u0947\u0903 100 g \u0938\u094b\u0921\u093f\u092f\u092e \u0905\u0925\u0935\u093e 100 g \u0932\u094b\u0939\u093e (Fe) ? (Na \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 23u, Fe \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 56 u)<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0938\u094b\u0921\u093f\u092f\u092e \u0915\u0947 \u0932\u093f\u090f \u0926\u093f\u092f\u093e \u0917\u092f\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 (m) = 100 g
\nNa \u0915\u093e \u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 (M) = 23 g
\n\"NCERT<\/p>\n

\u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 \u0938\u0947 \u0939\u0932 \u092a\u094d\u0930\u0936\u094d\u0928 (NCERT TEXTBOOK QUESTIONS SOLVED)<\/strong><\/span><\/p>\n

\u092a\u094d\u0930\u0966 1. 0.24 g \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u090f\u0935\u0902 \u092c\u094b\u0930\u0949\u0928 \u092f\u0941\u0915\u094d\u0924 \u092f\u094c\u0917\u093f\u0915 \u0915\u0947 \u0928\u092e\u0942\u0928\u0947 \u092e\u0947\u0902 \u0935\u093f\u0936\u094d\u0932\u0947\u0937\u0923 \u0926\u094d\u0935\u093e\u0930\u093e \u092f\u0939 \u092a\u093e\u092f\u093e \u0917\u092f\u093e \u0915\u093f \u0909\u0938\u092e\u0947\u0902 0.096 \u092c\u094b\u0930\u0949\u0928 \u090f\u0935\u0902 0.144 g \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0939\u0948\u0964 \u0909\u0938 \u092f\u094c\u0917\u093f\u0915 \u0915\u0947 \u092a\u094d\u0930\u0924\u093f\u0936\u0924 \u0938\u0902\u0918\u091f\u0928 \u0915\u093e \u092d\u093e\u0930\u093e\u0924\u094d\u092e\u0915 \u0930\u0942\u092a \u092e\u0947\u0902 \u092a\u0930\u093f\u0915\u0932\u0928 \u0915\u0940\u091c\u093f\u090f\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 2. 3.0 g \u0915\u093e\u0930\u094d\u092c\u0928 8.00 g \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u092e\u0947\u0902 \u091c\u0932\u0915\u0930 11.00 g \u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 \u0928\u093f\u0930\u094d\u092e\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u091c\u092c 3.00 g \u0915\u093e\u0930\u094d\u092c\u0928 \u0915\u094b 50.00 g\u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u092e\u0947\u0902 \u091c\u0932\u093e\u090f\u0901\u0917\u0947 \u0924\u094b \u0915\u093f\u0924\u0928\u0947 \u0917\u094d\u0930\u093e\u092e \u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 \u0915\u093e \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0939\u094b\u0917\u093e? \u0906\u092a\u0915\u093e \u0909\u0924\u094d\u0924\u0930 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0902\u092f\u094b\u091c\u0928 \u0915\u0947 \u0915\u093f\u0938 \u0928\u093f\u092f\u092e \u092a\u0930 \u0906\u0927\u093e\u0930\u093f\u0924 \u0939\u094b\u0917\u093e?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> 3 g \u0915\u093e\u0930\u094d\u092c\u0928 \u0915\u094b 50 g \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u092e\u0947\u0902 \u091c\u0932\u093e\u0928\u0947 \u092a\u0930 \u092d\u0940 \u0909\u0924\u0928\u0940 \u0939\u0940 \u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0917\u093e\u0964 \u0905\u0930\u094d\u0925\u093e\u0924\u094d 11 g, CO2<\/sub> \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0917\u093e \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u0915\u093e\u0930\u094d\u092c\u0928 \u0914\u0930 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u090f\u0915 \u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0905\u0928\u0941\u092a\u093e\u0924 (3 : 8) \u092e\u0947\u0902 \u0939\u0940 \u0938\u0902\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0939\u0948\u0902\u0964 \u0905\u0924\u0903 8 g \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0939\u0940 3 g \u0915\u093e\u0930\u094d\u092c\u0928 \u0938\u0947 \u0938\u0902\u092f\u094b\u0917 \u0915\u0930\u0947\u0917\u0940 \u0914\u0930 50 – 8 = 42 g \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u092c\u091a \u091c\u093e\u090f\u0917\u0940 \u091c\u094b \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0928\u0939\u0940\u0902 \u0915\u0930\u0947\u0917\u0940\u0964 \u092f\u0939 \u0909\u0924\u094d\u0924\u0930, \u0938\u094d\u0925\u093f\u0930 \u0905\u0928\u0941\u092a\u093e\u0924 \u0915\u0947 \u0928\u093f\u092f\u092e (Law of Constant Proportion) \u092a\u0930 \u0906\u0927\u093e\u0930\u093f\u0924 \u0939\u0948\u0964<\/p>\n

\u092a\u094d\u0930\u0966 3. \u092c\u0939\u0941\u092a\u0930\u092e\u093e\u0923\u0941\u0915 \u0906\u092f\u0928 \u0915\u094d\u092f\u093e \u0939\u094b\u0924\u0947 \u0939\u0948\u0902? \u0909\u0926\u093e\u0939\u0930\u0923 \u0926\u0940\u091c\u093f\u090f\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u092a\u0930\u092e\u093e\u0923\u0941\u0913\u0902 \u0915\u0947 \u0938\u092e\u0942\u0939 \u091c\u093f\u0928 \u092a\u0930 \u0928\u0947\u091f \u0906\u0935\u0947\u0936 \u0935\u093f\u0926\u094d\u092f\u092e\u093e\u0928 \u0939\u094b\u0924\u093e \u0939\u0948, \u092c\u0939\u0941\u092a\u0930\u092e\u093e\u0923\u0941\u0915 \u0906\u092f\u0928 \u0915\u0939\u0932\u093e\u0924\u093e \u0939\u0948\u0964 \u0909\u0926\u093e\u0939\u0930\u0923: \u0938\u0932\u094d\u092b\u0947\u091f (\\({ SO }_{ 4 }^{ 2- }\\)) \u092c\u0939\u0941\u092a\u0930\u092e\u093e\u0923\u0941\u0915 \u0906\u092f\u0928 \u0938\u0932\u094d\u092b\u0930 (S) \u0914\u0930 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 (O) \u0926\u094b \u092a\u094d\u0930\u0915\u093e\u0930 \u0915\u0947 \u092a\u0930\u092e\u093e\u0923\u0941\u0913\u0902 \u0938\u0947 \u092e\u093f\u0932\u0915\u0930 \u092c\u0928\u093e \u0939\u0948\u0964 \u0907\u0938\u0940 \u092a\u094d\u0930\u0915\u093e\u0930, \\({ NH }_{ 4 }^{ + }\\), OH-, \\({ CO }_{ 3 }^{ 2- }\\) \u0907\u0924\u094d\u092f\u093e\u0926\u093f\u0964<\/p>\n

\u092a\u094d\u0930\u0966 4. \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0915\u0947 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u0942\u0924\u094d\u0930 \u0932\u093f\u0916\u093f\u090f<\/strong>
\n(a) \u092e\u0948\u0917\u094d\u0928\u0940\u0936\u093f\u092f\u092e \u0915\u094d\u0932\u094b\u0930\u093e\u0907\u0921<\/strong>
\n(b) \u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e \u0915\u094d\u0932\u094b\u0930\u093e\u0907\u0921<\/strong>
\n(c) \u0915\u0949\u092a\u0930 \u0928\u093e\u0907\u091f\u094d\u0930\u0947\u091f<\/strong>
\n(d) \u0910\u0932\u0941\u092e\u093f\u0928\u093f\u092f\u092e \u0915\u094d\u0932\u094b\u0930\u093e\u0907\u0921<\/strong>
\n(e) \u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u0947\u091f<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n\"NCERT
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 5. \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092f\u094c\u0917\u093f\u0915\u094b\u0902 \u092e\u0947\u0902 \u0935\u093f\u0926\u094d\u092f\u092e\u093e\u0928 \u0924\u0924\u094d\u0924\u094d\u0935\u094b\u0902 \u0915\u093e \u0928\u093e\u092e \u0926\u0940\u091c\u093f\u090f-<\/strong>
\n(a) \u092c\u0941\u091d\u093e \u0939\u0941\u0906 \u091a\u0942\u0928\u093e (Quick lime)<\/strong>
\n(b) \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092c\u094d\u0930\u094b\u092e\u093e\u0907\u0921<\/strong>
\n(c) \u092c\u0947\u0915\u093f\u0902\u0917 \u092a\u093e\u0909\u0921\u0930 (\u0916\u093e\u0928\u0947 \u0935\u093e\u0932\u093e \u0938\u094b\u0921\u093e)<\/strong>
\n(d) \u092a\u094b\u091f\u0948\u0936\u093f\u092f\u092e \u0938\u0932\u094d\u092b\u0947\u091f<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n(a) \u092c\u0941\u091d\u093e \u0939\u0941\u0906 \u091a\u0942\u0928\u093e (Quick lime) (CaO) – \u0907\u0938\u092e\u0947\u0902 \u0915\u0948\u0932\u094d\u0938\u093f\u092f\u092e (Ca) \u0924\u0925\u093e \u0911\u0915\u094d\u0938\u0940\u091c\u0928 (O) \u0935\u093f\u0926\u094d\u092f\u092e\u093e\u0928 \u0939\u0948\u0902\u0964
\n(b) \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092c\u094d\u0930\u094b\u092e\u093e\u0907\u0921 (HBr) – \u0907\u0938\u092e\u0947\u0902 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 (H) \u0924\u0925\u093e \u092c\u094d\u0930\u094b\u092e\u0940\u0928 (Br) \u0935\u093f\u0926\u094d\u092f\u092e\u093e\u0928 \u0939\u0948\u0902\u0964
\n(c) \u092c\u0947\u0915\u093f\u0902\u0917 \u092a\u093e\u0909\u0921\u0930 (NaHCO3<\/sub>) – \u0907\u0938\u092e\u0947\u0902 \u0938\u094b\u0921\u093f\u092f\u092e (Na, \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 (H), \u0915\u093e\u0930\u094d\u092c\u0928 (C) \u0924\u0925\u093e \u0911\u0915\u094d\u0938\u0940\u091c\u0928 (O) \u0935\u093f\u0926\u094d\u092f\u092e\u093e\u0928 \u0939\u0948\u0902\u0964
\n(d) \u092a\u094b\u091f\u0947\u0936\u093f\u092f\u092e \u0938\u0932\u094d\u092b\u0947\u091f (K2<\/sub>SO4<\/sub>) – \u0907\u0938\u092e\u0947\u0902 \u092a\u094b\u091f\u0948\u0936\u093f\u092f\u092e (K), \u0938\u0932\u094d\u092b\u0930 (S) \u0924\u0925\u093e \u0911\u0915\u094d\u0938\u0940\u091c\u0928 (O) \u0935\u093f\u0926\u094d\u092f\u092e\u093e\u0928 \u0939\u0948\u0902\u0964<\/p>\n

\u092a\u094d\u0930\u0966 6. \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092a\u0926\u093e\u0930\u094d\u0925\u094b\u0902 \u0915\u0947 \u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u093e \u092a\u0930\u093f\u0915\u0932\u0928 \u0915\u0940\u091c\u093f\u090f<\/strong>
\n(a) \u090f\u0925\u093e\u0907\u0928, C2<\/sub>H2<\/sub><\/strong>
\n(b) \u0938\u0932\u094d\u092b\u0930 \u0905\u0923\u0941, Si<\/strong>
\n(c) \u092b\u0949\u0938\u094d\u092b\u094b\u0930\u0938 \u0905\u0923\u0941, P4<\/sub> (\u092b\u0949\u0938\u094d\u092b\u094b\u0930\u0938 \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 31)<\/strong>
\n(d) \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0905\u092e\u094d\u0932, HCl<\/strong>
\n(e) \u0928\u093e\u0907\u091f\u094d\u0930\u093f\u0915 \u0905\u092e\u094d\u0932, HNO3<\/sub><\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n(a) \u090f\u0925\u093e\u0907\u0928, C2<\/sub>H2<\/sub>
\n\u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 2 x 12 + 1 x 2 = 24 + 2 = 26 g
\n\u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u093e \u092a\u0930\u093f\u0915\u0932\u0928 \u0906\u0923\u094d\u0935\u093f\u0915 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u0940 \u0924\u0930\u0939 \u0939\u0940 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0905\u0902\u0924\u0930 \u0938\u093f\u0930\u094d\u092b \u0907\u0924\u0928\u093e \u0939\u0948 \u0915\u093f \u0907\u0915\u093e\u0908 u \u0915\u094b \u092c\u0926\u0932\u0915\u0930 g \u0915\u0930 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902\u0964
\n(b) \u0938\u0932\u094d\u092b\u0930 \u0905\u0923\u0941, S8<\/sub>
\n\u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 8 x 32 = 256 g
\n(c) \u092b\u0949\u0938\u094d\u092b\u094b\u0930\u0938 \u0905\u0923\u0941, P4<\/sub>
\n\u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 4 x 31 = 124g
\n(d) \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0915\u094d\u0932\u094b\u0930\u093f\u0915 \u0905\u092e\u094d\u0932, HCl
\n\u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 1 + 35.5 = 36.5 g
\n(e) \u0928\u093e\u0907\u091f\u094d\u0930\u093f\u0915 \u0905\u092e\u094d\u0932, HNO3<\/sub>
\n\u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = (H \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928) + (N \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928) + (3 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928)
\n= [1 + 14 + 3 x 16] g = (1 + 14 + 48) g = 63 gm
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 7. \u0928\u093f\u092e\u094d\u0928 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u094d\u092f\u093e \u0939\u094b\u0917\u093e|<\/strong>
\n(a) 1 \u092e\u094b\u0932 \u0928\u093e\u0907\u091f\u094d\u0930\u094b\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941?<\/strong>
\n(b) 4 \u092e\u094b\u0932 \u0910\u0932\u0941\u092e\u093f\u0928\u093f\u092f\u092e \u092a\u0930\u092e\u093e\u0923\u0941 (\u0910\u0932\u0941\u092e\u093f\u0928\u093f\u092f\u092e \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 27)?<\/strong>
\n(c) 10 \u092e\u094b\u0932 \u0938\u094b\u0921\u093f\u092f\u092e \u0938\u0932\u094d\u092b\u093e\u0907\u091f (Na2<\/sub>SO3<\/sub>)?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> \u0939\u092e\u0947\u0902 \u091c\u094d\u091e\u093e\u0924 \u0939\u0948
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 8. \u092e\u094b\u0932 \u092e\u0947\u0902 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u093f\u0924 \u0915\u0940\u091c\u093f\u090f<\/strong>
\n(a) 12 g \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0917\u0948\u0938 |<\/strong>
\n(b) 20 g \u091c\u0932<\/strong>
\n(c) 22 g \u0915\u093e\u0930\u094d\u092c\u0928 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> (a) \u0911\u0915\u094d\u0938\u0940\u091c\u0928 1 \u092e\u094b\u0932 0, \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = \u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928, M = 2 x 16 = 32 g
\n\u0926\u093f\u092f\u093e \u0917\u092f\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928, m = 12 g
\n\"NCERT
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 9. \u0928\u093f\u092e\u094d\u0928 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0915\u094d\u092f\u093e \u0939\u094b\u0917\u093e\u0903<\/strong>
\n(a) 0.2 \u092e\u094b\u0932 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941?<\/strong>
\n(b) 0.5 \u092e\u094b\u0932 \u091c\u0932 \u0905\u0923\u0941?<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> (a) \u0911\u0915\u094d\u0938\u0940\u091c\u0928 (O) \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 16u
\n\u0911\u0915\u094d\u0938\u0940\u091c\u0928 (O) \u0915\u093e \u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928, M = 16 g
\n\u092e\u094b\u0932\u094b\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e, n = 0.5
\nm = M x n = 16 x 0.2 = 3.2 g
\n0.2 \u092e\u094b\u0932 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 3.2 g
\n(b) \u091c\u0932 \u0915\u0947 \u0905\u0923\u0941 H2<\/sub>O \u0915\u093e \u0906\u0923\u094d\u0935\u093f\u0915 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 1 x 2 + 16 = 18u
\n\u091c\u0932 \u0915\u0947 1 \u092e\u094b\u0932 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = \u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928, M = 18 g
\nn = 0.5 (\u0926\u093f\u092f\u093e \u0939\u0948)\u0964
\nm = M x n = 18 x 0.5 = 9 g
\n0.5 \u092e\u094b\u0932 \u091c\u0932 \u0905\u0923\u0941 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 9 g<\/p>\n

\u092a\u094d\u0930\u0966 10. 16 g \u0920\u094b\u0938 \u0938\u0932\u094d\u092b\u0930 \u092e\u0947\u0902 \u0938\u0932\u094d\u092b\u0930 (S8<\/sub>) \u0915\u0947 \u0905\u0923\u0941\u0913\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u0915\u093e \u092a\u0930\u093f\u0915\u0932\u0928 \u0915\u0940\u091c\u093f\u090f\u0964<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong> S8<\/sub> \u0915\u093e \u0906\u0923\u094d\u0935\u093f\u0915 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 8 (\u0938\u0932\u094d\u092b\u0930 \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928) = 8 x 32 = 256u
\nS8 \u0915\u094b \u092e\u094b\u0932\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 (\u0905\u0930\u094d\u0925\u093e\u0924\u094d 1 \u092e\u094b\u0932 Sa \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0926\u093f\u092f\u093e \u0917\u092f\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928, m = 16 g)
\nM = 256 g
\n\"NCERT
\n\"NCERT<\/p>\n

\u092a\u094d\u0930\u0966 11. 0.051 g \u0910\u0932\u0941\u092e\u093f\u0928\u093f\u092f\u092e \u0911\u0915\u094d\u0938\u093e\u0907\u0921 (Al2<\/sub>O3<\/sub>) \u092e\u0947\u0902 \u0910\u0932\u0941\u092e\u093f\u0928\u093f\u092f\u092e \u0906\u092f\u0928 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u0915\u093e \u092a\u0930\u093f\u0915\u0932\u0928 \u0915\u0940\u091c\u093f\u090f\u0964<\/strong>
\n(\u0938\u0902\u0915\u0947\u0924 – \u0915\u093f\u0938\u0940 \u0906\u092f\u0928 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0909\u0924\u0928\u093e \u0939\u0940 \u0939\u094b\u0924\u093e \u0939\u0948, \u091c\u093f\u0924\u0928\u093e \u0915\u093f \u0909\u0938\u0940 \u0924\u0924\u094d\u0924\u094d\u0935 \u0915\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u093e \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u0910\u0932\u0941\u092e\u093f\u0928\u093f\u092f\u092e \u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 = 274u \u0939\u0948\u0964)<\/strong>
\n\u0909\u0924\u094d\u0924\u0930-<\/strong>
\n\"NCERT
\n\"NCERT<\/p>\n

Hope given NCERT Solutions for Class 9 Science Chapter 3\u00a0are helpful to complete your homework.<\/p>\n","protected":false},"excerpt":{"rendered":"

NCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules (Hindi Medium) These Solutions are part of NCERT Solutions for Class 9 Science in Hindi Medium. Here we have given NCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules. \u092a\u093e\u0920\u0917\u0924 \u0939\u0932 \u092a\u094d\u0930\u0936\u094d\u0928 (NCERT IN-TEXT QUESTIONS SOLVED) NCERT \u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 (\u092a\u0943\u0937\u094d\u0920 \u0938\u0902\u0916\u094d\u092f\u093e 36) \u092a\u094d\u0930\u0966 …<\/p>\n

NCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules (Hindi Medium)<\/span> Read More »<\/a><\/p>\n","protected":false},"author":9,"featured_media":7142,"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":[6],"tags":[],"yoast_head":"\nNCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules (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-9-science-chapter-3-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 9 Science Chapter 3 Atoms and Molecules (Hindi Medium) - MCQ Questions\" \/>\n<meta property=\"og:description\" content=\"NCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules (Hindi Medium) These Solutions are part of NCERT Solutions for Class 9 Science in Hindi Medium. Here we have given NCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules. \u092a\u093e\u0920\u0917\u0924 \u0939\u0932 \u092a\u094d\u0930\u0936\u094d\u0928 (NCERT IN-TEXT QUESTIONS SOLVED) NCERT \u092a\u093e\u0920\u094d\u092f\u092a\u0941\u0938\u094d\u0924\u0915 (\u092a\u0943\u0937\u094d\u0920 \u0938\u0902\u0916\u094d\u092f\u093e 36) \u092a\u094d\u0930\u0966 … NCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules (Hindi Medium) Read More »\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-9-science-chapter-3-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=\"2021-07-23T04:53:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-03-02T04:54:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mcq-questions.com\/wp-content\/uploads\/2018\/08\/NCERT-Solutions-for-Class-9-Science-Chapter-3-Atoms-and-Molecules-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=\"Prasanna\" \/>\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-9-science-chapter-3-hindi\/#primaryimage\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/i2.wp.com\/mcq-questions.com\/wp-content\/uploads\/2018\/08\/NCERT-Solutions-for-Class-9-Science-Chapter-3-Atoms-and-Molecules-Hindi-Medium.png?fit=1280%2C720&ssl=1\",\"contentUrl\":\"https:\/\/i2.wp.com\/mcq-questions.com\/wp-content\/uploads\/2018\/08\/NCERT-Solutions-for-Class-9-Science-Chapter-3-Atoms-and-Molecules-Hindi-Medium.png?fit=1280%2C720&ssl=1\",\"width\":1280,\"height\":720,\"caption\":\"NCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules (Hindi Medium)\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-9-science-chapter-3-hindi\/#webpage\",\"url\":\"https:\/\/mcq-questions.com\/ncert-solutions-for-class-9-science-chapter-3-hindi\/\",\"name\":\"NCERT Solutions for Class 9 Science Chapter 3 Atoms and Molecules (Hindi Medium) - 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