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1. On a windy day, clothes dry faster because

2. The rate of evaporation decreases with

3. Evaporation is a

4. Boiling is a

5. The smell of perfume spreads through the room due to

6. Ice at 273 K is more effective in cooling than water at the same temperature because

7. Steam causes more severe burns than boiling water because

8. The physical state of water at 0°C is

9. The process by which naphthalene balls disappear without residue is

10. When we spray perfume, its smell spreads quickly because

11. The density of a substance is defined as

12. Which has the least density?

13. Liquids and gases together are called

14. Why does our palm feel cold when we apply perfume or petrol?

15. Ice floats on water because

16. In hot, dry regions, desert coolers work better because

17. We wear cotton clothes in summer because

18. Water kept in earthen pots becomes cool because

19. The appearance of water droplets on the outer surface of a cold glass is due to

20. The process of converting gas into liquid by cooling is