Question

5. Explain the change of state of a solid to a liquid by heating. on the basis of kinetic theory of matter.

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Answer 1

Answer:

In a solid the strong attractions between the particles hold them tightly packed together. ... Further heating provides more energy until the particles start to break free of the structure. Although the particles are still loosely connected they are able to move around. At this point the solid is melting to form a liquid.

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Answer 2

Answer:

The temperature at which a liquid boils is called the boiling point. The boiling point of water is 100°C. Vaporization that takes place at the surface of a liquid is called evaporation. Evaporation, which occurs at temperatures below the boiling point, explains how puddles dry up.