Separation of Substances (Class 6) MCQs (Science)

Separation of Substances Class 6 MCQs (Science)

Choose the correct option in the following questions:

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1. Butter is separated from milk by
   1.   sedimentation
   2.   filtration
   3.   churning
   4.   decantation
2. Filtration is a method to separate the components of a
   1.   solution
   2.   mixture of a liquid and an insoluble substance
   3.   both (a) and (b)
   4.   pure substance
3. Threshing is done by
   1.   beating
   2.   bullocks
   3.   machines
   4.   all of these
4. Which method is used to separate pebbles and stones from sand?
   1.   Handpicking
   2.   Winnowing
   3.   Sieving
   4.   Any of these
5. The components of a solution (say sugar in water) can be separated by
   1.   filtration
   2.   evaporation
   3.   sedimentation
   4.   decantation
6. Sand from water is separated by
   1.   sieving
   2.   evaporation
   3.   filtration
   4.   sedimentation and decantation
7. The process of conversion of water vapours into liquid is called
   1.   condensation
   2.   decantation
   3.   sedimentation
   4.   evaporation
8. The process of conversion of water into its vapours is called
   1.   evaporation
   2.   condensation
   3.   guttation
   4.   transpiration
9. A mixture of ammonium chloride and sand is separated by
   1.   evaporation
   2.   decantation
   3.   sublimation
   4.   filtration
10. The property which forms the basis of sieving
    1.   difference in weight
    2.   difference in colour
    3.   difference in shape
    4.   difference in size