Question

27. Why does the temperature of a substance remain constant during its
melting point or boiling point?​

Answer 1

Because,

In presence of latent heat of fusion the temperature of a substance Remains constant at melting as well as boiling point

Answer 2

Answer:

due to latent heat of fusion and vaporisation respectively. During melting, all the kinetic or heat energy is taken by ice and same happens during vaporization, kinetic energy is taken by liquid or water till it boils completely.

Explanation:

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