Question

solid change to a liquid by observing heat at constant temperature​

Answer 1

Answer:

The process of change of a substance from solid state into its liquid state on absorption of heat at a particular temperature is called melting/fusion and the temperature at which it happens is called the melting point.

Explanation:

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Answer 2

Answer:

(a) The process of change of a substance from solid state into its liquid state on absorption of heat at a particular temperature is called melting/fusion and the temperature at which it happens is called the melting point.