MCQ Class 9 Science Exploration Chapter 5 Exploring Mixtures and their Separation

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1. A mixture that has uniform composition throughout is called

Question 1 of 20

2. Which of the following is a homogeneous mixture?

Question 2 of 20

3. Which mixture is heterogeneous?

Question 3 of 20

4. The substance that dissolves is called

Question 4 of 20

5. The substance that dissolves the solute is called

Question 5 of 20

6. Concentration of a solution refers to

Question 6 of 20

7. Mass by mass percentage is

Question 7 of 20

8. Mass by volume percentage is

Question 8 of 20

9. Volume by volume percentage is used for

Question 9 of 20

10. Solubility is defined as

Question 10 of 20

11. A saturated solution is one that

Question 11 of 20

12. Solubility of solids generally

Question 12 of 20

13. Solubility of gases in liquids

Question 13 of 20

14. Crystallization is used for

Question 14 of 20

15. Crystals are

Question 15 of 20

16. Distillation is used to separate

Question 16 of 20

17. Distillation works on difference in

Question 17 of 20

18. The liquid collected after condensation is

Question 18 of 20

19. Fractional distillation is used when boiling point difference is

Question 19 of 20

20. Paper chromatography separates components based on

Question 20 of 20


 

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