MCQ Science Curiosity Chapter 9 Class 8 CBSE Board

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The Amazing World of Solutes, Solvents, and Solutions

1. What is a uniform mixture called when a solid dissolves in a liquid?

Question 1 of 20

2. What happens when you mix sawdust with water?

Question 2 of 20

3. In a solution of sugar and water, what is the role of sugar?

Question 3 of 20

4. What is the liquid component in a solution of salt and water?

Question 4 of 20

5. In a solution of two liquids, how is the solute identified?

Question 5 of 20

6. Which gas acts as the solvent in air?

Question 6 of 20

7. In the sugar syrup (chashni) for Gulab jamun, what is the solvent?

Question 7 of 20

8. What happens when too much salt is added to water and it stops dissolving?

Question 8 of 20

9. What is a solution called when it can still dissolve more solute at a given temperature?

Question 9 of 20

10. What term describes a solution where no more solute can dissolve at a given temperature?

Question 10 of 20

11. What does the concentration of a solution measure?

Question 11 of 20

12. Which solution is more concentrated: 2 spoons of salt in 50 ml water or 1 spoon of salt in 100 ml water?

Question 12 of 20

13. What is solubility defined as?

Question 13 of 20

14. How does increasing temperature generally affect the solubility of solids in liquids?

Question 14 of 20

15. How does temperature affect the solubility of gases in liquids?

Question 15 of 20

16. Why is dissolved oxygen in water important?

Question 16 of 20

17. What type of mixture is formed when gases dissolve in water?

Question 17 of 20

18. Which solvent is primarily used in Ayurveda and Siddha medicinal formulations?

Question 18 of 20

19. What inspired Asima Chatterjee’s work with medicinal plants?

Question 19 of 20

20. What is density defined as?

Question 20 of 20


 

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