MCQ Science Curiosity Chapter 7 Class 8 CBSE Board

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Particulate Nature of Matter

1. Why can stones and sand be piled up, but not water?

Question 1 of 20

2. Why does water lose the shape of folded hands when released?

Question 2 of 20

3. How does air add weight to an inflated balloon?

Question 3 of 20

4. Is the air we breathe today the same as thousands of years ago?

Question 4 of 20

5. What happens to chalk when it is ground into a fine powder?

Question 5 of 20

6. What are the smallest units of chalk obtained after continuous grinding?

Question 6 of 20

7. What happens to sugar particles when dissolved in water?

Question 7 of 20

8. Why can’t sugar particles be seen in a sugar-water solution?

Question 8 of 20

9. What are interparticle spaces?

Question 9 of 20

10. What holds constituent particles together in matter?

Question 10 of 20

11. What determines the physical state of a substance?

Question 11 of 20

12. Who first proposed the idea of Parmanu (atom)?

Question 12 of 20

13. Why do solids have a definite shape and volume?

Question 13 of 20

14. What happens to solid particles when heated?

Question 14 of 20

15. What is the melting point of a solid?

Question 15 of 20

16. Why do some solids have low melting points?

Question 16 of 20

17. What is the melting point of ice?

Question 17 of 20

18. Why do liquids take the shape of their container?

Question 18 of 20

19. What is the volume characteristic of liquids?

Question 19 of 20

20. Why can a finger move through water without permanently displacing it?

Question 20 of 20


 

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