MCQ Science Curiosity Chapter 7 Class 8 CBSE Board

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Particulate Nature of Matter

1. Why does spilled milk spread out while a glass tumbler retains its shape?

Question 1 of 20

2. What happens to ice particles as they melt into water?

Question 2 of 20

3. How are particles arranged in aluminium foil?

Question 3 of 20

4. How are particles arranged in glycerin?

Question 4 of 20

5. How are particles arranged in methane gas?

Question 5 of 20

6. What states of wax are present in a recently extinguished candle?

Question 6 of 20

7. Why does ocean water taste salty despite invisible salt?

Question 7 of 20

8. Why do rice grains and rice flour take the shape of their container?

Question 8 of 20

9. What happens to a balloon fixed over a bottle placed in hot water?

Question 9 of 20

10. How can clay balls represent particles in solids?

Question 10 of 20

11. In a role-play of particles, how would gas particles behave?

Question 11 of 20

12. Why is the ability of gases to spread and fill space beneficial?

Question 12 of 20

13. What are the tiny particles that make up matter?

Question 13 of 20

14. What is a molecule of hydrogen made of?

Question 14 of 20

15. What is a water molecule composed of?

Question 15 of 20

16. How do interparticle attractions compare in solids and liquids?

Question 16 of 20

17. Why do gases have maximum interparticle spacing?

Question 17 of 20

18. What happens to liquid particles at the boiling point?

Question 18 of 20

19. Why do solids not flow like liquids?

Question 19 of 20

20. What is the role of thermal energy in changing states of matter?

Question 20 of 20


 

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