Question

True/ False:-
1. Boiling is a bulk phenomenon.
2. Evaporation is a surface phenomenon.
3. The rate of evaporation depends only on the surface area exposed to the atmosphere.
4. Latent heat of vaporization is the heat energy required to change 1 kg. of a liquid to gas at atmospheric pressure at its melting point.
5. Water at room temperature is a liquid.
6. Atoms in a liquid are father apart than the atoms in a gas. 7. The molecules in a gas are in constant motion.
8. Gases present in air have the same pressure throughout the entire atmosphere.
9. All materials move from solid to liquid to gas as the temperature increases. 10. Because electrons have been stripped away from atoms in plasma, plasmas have a negative charge.
11. It is just as easy to compress a liquid, as it is to compress a gas.
12. Evaporation and boiling are the same processes because molecules move from a liquid to gaseous state.
13. If we pour liquid nitrogen(N2) into a glass, it will change its state to a solid. 14. You may find plasma in a star.
15. A system that changes from a solid state to a liquid state gains energy.
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Answer 1

Answer:

1. false
2. true
3. false
4. true
5. true
6. false
7. true
8. true
9. true
10. false
11. false
12. false
13. false
14. true
15. true

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