MCQ Science Curiosity Chapter 7 Class 8 CBSE Board

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Particulate Nature of Matter

1. What is the boiling point of a liquid?

Question 1 of 20

2. What happens during evaporation?

Question 2 of 20

3. Why do gases lack a fixed volume?

Question 3 of 20

4. What did the smoke experiment with gas jars demonstrate?

Question 4 of 20

5. Why are liquids and gases classified as fluids?

Question 5 of 20

6. What happens to gas particles when compressed in a syringe?

Question 6 of 20

7. Why is water nearly incompressible?

Question 7 of 20

8. What happens to the water level when sugar dissolves in it?

Question 8 of 20

9. Why doesn’t sand dissolve in water like sugar?

Question 9 of 20

10. What does the interparticle spacing in solids indicate?

Question 10 of 20

11. What does the potassium permanganate experiment demonstrate?

Question 11 of 20

12. Why does the fragrance of an incense stick spread throughout a room?

Question 12 of 20

13. How do soap particles clean oil-stained clothes?

Question 13 of 20

14. What determines the physical state of matter?

Question 14 of 20

15. What happens to particles at the melting point of a solid?

Question 15 of 20

16. What is the primary difference between solids and liquids?

Question 16 of 20

17. Which statement about melting ice is true?

Question 17 of 20

18. Which property is true for solids?

Question 18 of 20

19. What happens if all constituent particles are removed from a chair?

Question 19 of 20

20. Why do gases mix easily compared to solids?

Question 20 of 20


 

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