Class 6 Science Chapter 5 Separation Of Substances Quiz 23 (13 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. To separate a mixture of soil and water what separation method is used?

Correct Answer: A) Filtration.

2. Solvent + Solute = .....

Correct Answer: A) Solution.

3. The technique of disturbing clean liquid without disturbing the sediment is known as?

Correct Answer: A) Decantation.

4. Define:Threshing?

Correct Answer: D) Threshing is the process of separating grain from the harvested stalks.

5. Soft drink is an example of:

Correct Answer: B) HOMOGENEOUS MIXTURE.

6. The process of conversion of water into its vapour is called .....

Correct Answer: D) Evaporation.

7. The process of separating a pure substance in the form of crystals from its hot saturated solution by cooling is called

Correct Answer: A) Crystallization.

8. How are grain seeds removed from their stalks?

Correct Answer: C) Threshing.

9. Decantation is the process of pouring out the clear upper liquid by disturbing the sediments.

Correct Answer: B) False.

10. How are elements different from compounds?

Correct Answer: D) Compounds are made of different elements.

11. To make a solute dissolve more quickly i n a solvent which would you do?

Correct Answer: B) Put it in warm water and stir it.

12. CONTITUENTS OF A MIXTURE CAN BE IN ANY RATIO:T/F

Correct Answer: A) TRUE.

13. Name the method by which we get salt from ocean water.

Correct Answer: B) Evaporation.