MCQ Questions for Class 6 Science with Answers<\/a> are prepared as per the Latest Exam Pattern. Students can solve these Separation of Substances Class 6 MCQs Questions with Answers and assess their preparation level.<\/p>\nSeparation of Substances Class 6 MCQs Questions with Answers<\/h2>\n
Solving the Separation of Substances Multiple Choice Questions of Class 6 Science Chapter 5 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Separation of Substances Class 6 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 5 Science Class 6 and cross-check your answers during preparation.<\/p>\n
Question 1.
\nA mixture of iodine and sand can be separated by:
\n(a) Decantation
\n(b) Centrifugation
\n(c) Filtration
\n(d) Sublimation<\/p>\n\nAnswer<\/span><\/summary>\n(d) Sublimation
\nA mixture of iodine and sand can be separated by sublimating.<\/p>\n<\/details>\n
\nQuestion 2.
\nA mixture of tea leaves and iron filling can be separated by:
\n(a) Filtration
\n(b) Evaporation
\n(c) Separating funnel
\n(d) Magnet<\/p>\n\nAnswer<\/span><\/summary>\n(d) Magnet
\nA mixture of tea leaves and iron fillings can be separated by magnet.<\/p>\n<\/details>\n
\nQuestion 3.
\nA mixture of mustard oil and kerosene oil can be separated by:
\n(a) Sublimation
\n(b) Evaporation
\n(c) Separating funnel
\n(d) Filtration<\/p>\n\nAnswer<\/span><\/summary>\n(c) Separating funnel
\nA mixture of mustard oil and kerosene oil can be separated by separating funnel.<\/p>\n<\/details>\n
\nQuestion 4.
\nInsects are separated from wheat by:
\n(a) Hand picking
\n(b) Sieving
\n(c) Magnet
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(a) Hand picking
\nInsects from wheat are separated by hand picking.<\/p>\n<\/details>\n
\nQuestion 5.
\nLarger quantity of salt can be dissolved in water by:
\n(a) Heating
\n(b) Coaling
\n(c) Icing
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(a) Heating
\nLarger quantity of salt can be dissolved in water by heating.<\/p>\n<\/details>\n
\nQuestion 6.
\n……………….. cannot dissolve any amount of substances:
\n(a) Solid
\n(b) Water
\n(c) Gas
\n(d) Vapour<\/p>\n\nAnswer<\/span><\/summary>\n(b) Water
\nWater cannot dissolve any amount of substances.<\/p>\n<\/details>\n
\nQuestion 7.
\nTo separate husk from grains in a field by
\n(a) Tailor
\n(b) Grocer
\n(c) Watchman
\n(d) Farmers<\/p>\n\nAnswer<\/span><\/summary>\n(d) Farmers
\nHusk separated from grains by farmers.<\/p>\n<\/details>\n
\nQuestion 8.
\nthe husk which is ………………., is carried away by the wind and forms a Separate heap at a short distance from the heap of grain,
\n(a) Heavier
\n(b) Lighter
\n(c) Stronger
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(b) Lighter
\nThe husk is lighter is carried away by wind and forms a separate heap at a short distance from the heap of grain.<\/p>\n<\/details>\n
\nQuestion 9.
\nThe grains which are fall vertically down on the ground,
\n(a) Heavier
\n(b) Lighter
\n(c) Stronger
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(a) Heavier
\nThe grains which are heavier fall vertically down on the ground.<\/p>\n<\/details>\n
\nQuestion 10.
\nA method of separation used when the components of a mixture are of different sizes is known as:
\n(a) Separation
\n(b) Winnowing
\n(c) Sieving
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(c) Sieving
\nA method of separation used when the components of a mixture are of different sizes is known as sieving.<\/p>\n<\/details>\n
\nQuestion 11.
\nwater is cleared by the process of loading.
\n(a) Lemon water
\n(b) Milky water
\n(c) Muddy water
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(c) Muddy water
\nMuddy water is cleaned by the process of loading.<\/p>\n<\/details>\n
\nQuestion 12.
\nThe method to separating seeds of paddy from its stalks is called:
\n(a) Filtration
\n(b) Hand-picking
\n(c) Decantation
\n(d) Threshing<\/p>\n\nAnswer<\/span><\/summary>\n(d) Threshing
\nSeeds of paddy from its stalks is separating by thrushing.<\/p>\n<\/details>\n
\nQuestion 13.
\nCommon salt is then obtained from this mixture of salts by:
\n(a) Evaporation
\n(b) Filtration
\n(c) Purification
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(c) Purification
\nCommon salt is then obtained from this mixture of salts by purification.<\/p>\n<\/details>\n
\nQuestion 14.
\nWhich types of filters are used to purify drinking water ?
\n(a) Electric water filters
\n(b) Common water filter
\n(c) Pure it filter
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(a) Electric water filters
\nElectric water filters are used to purify drinking water.<\/p>\n<\/details>\n
\nQuestion 15.
\nGive an example of where filtration is used at home.
\n(a) Mustard oil and water can be separated by using filtration
\n(b) Husk from rice is separated by filtration
\n(c) Paneer from milk is separated by filtration
\n(d) All of these<\/p>\n\nAnswer<\/span><\/summary>\n(c) Paneer from milk is separated by filtration
\nPaneer from milk is separated by filtration.<\/p>\n<\/details>\n
\nQuestion 16.
\n………………. is used in loading as it quickly dissolves in water.
\n(a) Tea leaves
\n(b) Spirit
\n(c) Alum
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(c) Alum
\nAlum is used in loading as it quickly dissolves in water.<\/p>\n<\/details>\n
\nQuestion 15.
\nGive examples of substances used in daily life.
\n(a) Sugar
\n(b) Common salt
\n(c) Wheat
\n(d) All of these<\/p>\n\nAnswer<\/span><\/summary>\n(d) All of these
\nAll of these (sugar, wheat, common salt) substances used in daily life.<\/p>\n<\/details>\n
\nQuestion 16.
\nGive an example of materials that require separation.
\n(a) We filter the tea leaves before drinking
\n(b) Obtain harmful components
\n(c) Mixed impurities for getting a pure sample
\n(d) Both (a) and (c)<\/p>\n\nAnswer<\/span><\/summary>\n(a) We filter the tea leaves before drinking
\nAfter preparing tea, it is passed through a stainer to separate the tea leaves.<\/p>\n<\/details>\n
\nQuestion 17.
\nSome times, threshing is done with the help of ………………….. cart.
\n(a) goat
\n(b) bullock
\n(c) cow
\n(d) camel<\/p>\n\nAnswer<\/span><\/summary>\n(b) bullock
\nSometimes, threshing is done witli the help of bullockcart.<\/p>\n<\/details>\n
\nQuestion 18.
\n…………………. are also used to thresh large quantities of grain.
\n(a) Cart
\n(b) By beating
\n(c) Machines
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(c) Machines
\nMachine are also used to thresh large quantities.<\/p>\n<\/details>\n
\nQuestion 19.
\nMoney substances contain only one type of constituent particles are called:
\n(a) Mixture
\n(b) Pure substances
\n(c) Winnowing
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(b) Pure substances
\nMany substances contain only one type of constituent particles are called pure substances.<\/p>\n<\/details>\n
\nQuestion 20.
\nA substance which consists two or more types of contituents which are present in any amount or any ratio is called:
\n(a) Mixture
\n(b) Pure substances
\n(c) Winnowing
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(a) Mixture
\nA substances consists more types of constituents which are present in any amount or ratio is mixture.<\/p>\n<\/details>\n
\nQuestion 21.
\nThe process by which the undesirable components forming the mixture are removed to get a desirable component is called:
\n(a) Mixture
\n(b) Separation
\n(c) Loading
\n(d) Filtration<\/p>\n\nAnswer<\/span><\/summary>\n(b) Separation
\nThe undesirable components forming the mixture are removed to get a desirable components is called separation.<\/p>\n<\/details>\n
\nQuestion 22.
\nA separation method which involves blowing of light particles by air is known as:
\n(a) Winnowing
\n(b) Decantation
\n(c) Filtration
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(a) Winnowing
\nA separation method which involves blowing of light particles by air is known as winnowing.<\/p>\n<\/details>\n
\nQuestion 23.
\nThe process of setting down of heavier insoluble particles from a mixture is called:
\n(a) Filtration
\n(b) Separation
\n(c) Evaporation
\n(d) Sedimentation<\/p>\n\nAnswer<\/span><\/summary>\n(d) Sedimentation
\nSetting down of heavier insoluble particles from a mixture is called sedimentation.<\/p>\n<\/details>\n
\nQuestion 24.
\nThe process of transferring clear liquid without disturbing sedimeption is known as:
\n(a) Sublimation
\n(b) Loading
\n(c) Decantation
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(c) Decantation
\nTransferring clear liquid without disturbing sediments is known as decantation.<\/p>\n<\/details>\n
\nQuestion 25.
\nThe process in which insoluble small suspended particles in a solution are made heavier to increase the rate of sedimentation of particles is called:
\n(a) Crystallization
\n(b) Loading
\n(c) Saturated
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(b) Loading
\nThe process in which insoluble small suspended particles in a solution are made heavier to increase the rate of sedimentation of particles is called loading.<\/p>\n<\/details>\n
\nQuestion 26.
\nThe method of separation in which particles suspended in a liquid are rotated in a centrifuge machine and heavier particles settle down is called:
\n(a) Centrifugation
\n(b) Crystallization
\n(c) Saturated
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(a) Centrifugation
\nThe particles suspended in a liquid are rotated in a centrifuge machine and heavier particles settle down is centrifugation.<\/p>\n<\/details>\n
\nQuestion 27.
\nThe process of separation insoluble solid from a liquid by passing the liquid through a filter paper is known as:
\n(a) Evaporation
\n(b) Filtration
\n(c) Separation
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(b) Filtration
\nThe process of separating insoluble solid from a liquid by passing the liquid through a filter paper is known as filtration.<\/p>\n<\/details>\n
\nQuestion 28.
\nThe process of separating any salt from its solution by removing water is called:
\n(a) Separation
\n(b) Filtration
\n(c) Evaporation
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(c) Evaporation
\nSeparating any salt from its solution by removing water is called evaporation.<\/p>\n<\/details>\n
\nQuestion 29.
\nThe process in which a solid changes directly to gas without changing into liquid is known as:
\n(a) Evaporation
\n(b) Solid
\n(c) Gas
\n(d) Sublimation<\/p>\n\nAnswer<\/span><\/summary>\n(d) Sublimation
\nA solid changes directly to gas without changing into liquid is sublimation.<\/p>\n<\/details>\n
\nQuestion 30.
\nThe process of separating a pure substance in the form of crystals from its hot saturated solution by cooling is called:
\n(a) Crystallization
\n(b) Filtration
\n(c) Distillation
\n(4) Evaporation<\/p>\n\nAnswer<\/span><\/summary>\n(a) Crystallization
\nSeparating a pure substance in the form of crystals from its hot saturated solution by cooling is called crystallization.<\/p>\n<\/details>\n
\nQuestion 31.
\nThe process of heating a liquid to form vapour and then cooling the vapour to get back the liquid is called:
\n(a) Crystallization
\n(b) Saturated
\n(c) Distillation
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(c) Distillation
\nHeating a liquid to form vapour and then cooling the vapour to get back the liquid is called distillation.<\/p>\n<\/details>\n
\nQuestion 32.
\nA solution is said to be saturated if it cannot dissolve more of substance in it by:
\n(a) Crystallization
\n(b) Saturated solution
\n(c) Distillation
\n(d) None of these<\/p>\n\nAnswer<\/span><\/summary>\n(b) Saturated solution
\nA solution is said to be saturated if it cannot dissolve more of substances in it by distillation.<\/p>\n<\/details>\n
\nMatch the following:<\/span><\/p>\nQuestion 1.<\/p>\n
\n\n\nColumn-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n\n(a) By electric water filter<\/td>\n | (i) For purification of river water<\/td>\n<\/tr>\n | \n(b) By heating<\/td>\n | (ii) Obtain pebbles from sand<\/td>\n<\/tr>\n | \n(c) By loading<\/td>\n | (iii) Muddy water is purified<\/td>\n<\/tr>\n | \n(d) By sedimentation<\/td>\n | (iv) Purify the drinking water<\/td>\n<\/tr>\n | \n(e) By sieving<\/td>\n | (v) Convert a liquid into its vapour<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\nAnswer<\/span><\/summary>\n\n\n\nColumn-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n\n(a) By electric water filter<\/td>\n | (iv) Purify the drinking water<\/td>\n<\/tr>\n | \n(b) By heating<\/td>\n | (v) Convert a liquid into its vapour<\/td>\n<\/tr>\n | \n(c) By loading<\/td>\n | (iii) Muddy water is purified<\/td>\n<\/tr>\n | \n(d) By sedimentation<\/td>\n | (i) For purification of river water<\/td>\n<\/tr>\n | \n(e) By sieving<\/td>\n | (ii) Obtain pebbles from sand<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n \nQuestion 2.<\/p>\n \n\n\nColumn-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n\n(a) Separate stones from rice<\/td>\n | (i) We throw away the solid components<\/td>\n<\/tr>\n | \n(b) Churning milk to obtain butter<\/td>\n | (ii) We throw away the impurities<\/td>\n<\/tr>\n | \n(c) Separate tea leaves<\/td>\n | (iii) We use both the components<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\nAnswer<\/span><\/summary>\n\n\n\nColumn-A<\/strong><\/td>\nColumn-B<\/strong><\/td>\n<\/tr>\n\n(a) Separate stones from rice<\/td>\n | (ii) We throw away the impurities components<\/td>\n<\/tr>\n | \n(b) Churning milk to obtain butter<\/td>\n | (iii) We use both the components<\/td>\n<\/tr>\n | \n(c) Separate tea leaves<\/td>\n | (i) We throw away the solid<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n \nState whether the statements are True or False:<\/span><\/p>\nQuestion 1. \nA mixture of milk and water can be separated by filtration.<\/p>\n\nAnswer<\/span><\/summary>\nFalse<\/p>\n<\/details>\n \nQuestion 2. \nA mixture of powdered salt and sugat can be separated by the process of winnowing.<\/p>\n\nAnswer<\/span><\/summary>\nFalse<\/p>\n<\/details>\n \nQuestion 3. \nLarge quantity , of salt can be dissolved in water by heating.<\/p>\n\nAnswer<\/span><\/summary>\nTrue<\/p>\n<\/details>\n \nQuestion 4. \nIt is possible to separate sugar mixed with wheat flour by sieving.<\/p>\n\nAnswer<\/span><\/summary>\nTrue<\/p>\n<\/details>\n \nQuestion 5. \nWinnowing is a method of separation which is used to separation lighter and heavier components of mixture.<\/p>\n\nAnswer<\/span><\/summary>\nTrue<\/p>\n<\/details>\n \nQuestion 6. \nSedimentation method is used for purification of river water in villages.<\/p>\n\nAnswer<\/span><\/summary>\nTrue<\/p>\n<\/details>\n \nQuestion 7. \nSeparation of sugar from tea can be done with filtration.<\/p>\n\nAnswer<\/span><\/summary>\nFalse<\/p>\n<\/details>\n \nQuestion 8. \nGrain and husk can be separated by decantation.<\/p>\n\nAnswer<\/span><\/summary>\nFalse<\/p>\n<\/details>\n \nQuestion 9. \nEvaporation is employed to separate soluble solids from liquids.<\/p>\n\nAnswer<\/span><\/summary>\nTrue<\/p>\n<\/details>\n \nQuestion 10. \nGil and Water dissolved in one another.<\/p>\n\nAnswer<\/span><\/summary>\nFalse<\/p>\n<\/details>\n \nQuestion 11. \nWater dissolved any amount of substances.<\/p>\n\nAnswer<\/span><\/summary>\nFalse<\/p>\n<\/details>\n \nQuestion 12. \nThe loaded mud particles settle down at the bottom of the container.<\/p>\n\nAnswer<\/span><\/summary>\nTrue<\/p>\n<\/details>\n \nFill in the blanks:<\/span><\/p>\nQuestion 1. \nThe method of separating seed of paddy from its stalks is called ……………………<\/p>\n\nAnswer<\/span><\/summary>\nthreshing<\/p>\n<\/details>\n \nQuestion 2. \nWhen milk is poured on to a piece of cloth the cream is left behind on it. This process of separating cream from milk is an example of …………………….<\/p>\n\nAnswer<\/span><\/summary>\nfiltration<\/p>\n<\/details>\n \nQuestion 3. \nSalt is obtained from sea water by the process of …………………….<\/p>\n\nAnswer<\/span><\/summary>\nevaporation<\/p>\n<\/details>\n \nQuestion 4. \nImpurities settled at the bottom when muddy water was kept over night in a bucket. The clear water was then poured off from the top. The process of separation used in the example is called ……………………<\/p>\n\nAnswer<\/span><\/summary>\nsedimentation and decantation<\/p>\n<\/details>\n \nQuestion 5. \nA mixture of mustard oil and water can be separated by using ……………………<\/p>\n\nAnswer<\/span><\/summary>\nseparating funnel<\/p>\n<\/details>\n \nQuestion 6. | | | | | | | | | | | |