CBSE Class 6 Science Separation Of Substances MCQs Set A

CBSE Class 6 Science Separation Of Substances MCQs Set A. Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and NCERT guidelines. Students and parents can download free a collection of all study material issued by various best schools in India. The study material has been carefully compiled by the best teachers in India. The students should practice the questions database to get better marks in examination. Please refer to other links for free download of high quality study material. 

Separation of Substances 

1. The technique that separates a liquid from an insoluble solid by carefully pouring off the liquid is called ____. 

a. Evaporation 

b. Decantation 

c.  Filtration 

d.  Distillation 

2. The separation technique used to separate a solid‐solid mixture is ____. 

a. Decantation 

b. Evaporation 

c.  Filtration 

d.  Handpicking 

3. Suppose you are making some tea, and have boiled water and added tea leaves to the water. Then you realize that you cannot find the strainer. You look for a clean piece of cloth, but do not find one. What method would you like to apply for a cup of tea without leaves 

a. Sieving 

b. Evaporation 

c.  Decantation 

d. Filtration 

4. Peanuts are separated from a mixture of peanuts and corn by ____. 

a. Sieving 

b.  Winnowing 

c.   Handpicking 

d.  Threshing 

5. The method used to separate sand and saw dust is: 

a. Threshing 

b. Winnowing 

c.  Hand‐ picking 

d. Magnetic separation 

6. Salt is obtained from sea water by drying it in the sun. The process is known as ‐_________. 

a. Filtration 

b. Evaporation 

c.  Sedimentation 

d. Condensation  

7. Methods used to separate a mixture of salt and sand is by treating the mixture with water and then: 

a. Filtration followed by evaporation 

b. Sedimentation followed by evaporation 

c.  Filtration followed by condensation 

d. None of the above. 

8. The method of separating seeds of paddy from its stalks is called ___________. 

a. Decantation 

b. Winnowing 

c.  Threshing  

d. Sedimentation  

9. When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of ___________. 

a. Hand picking 

b. Filtration 

c.  Churning 

d. Sedimentation  

10. Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called ___________. 

a. Decantation 

b. Filtration  

c.  Sedimentation followed by decantation 

d. Evaporation  

11. Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar? 

a. Add sugar before cooling. 

b. Add sugar after cooling 

c.  There will be no difficulty in dissolving sugar in either cold water or in hot water.  

d. On adding ice the taste of the lemonade will change.



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