Question

Why evaporation occurs only at the surface?

Answer 1

Answer:

So, after extreme cooling liquid cannot convert into gas or vapour. Evaporation is a type of vaporization. During evaporation liquid molecules from the surface of the liquid evaporates into the gas phase. So, evaporation takes place only from the surface, so evaporation is a surface phenomenon.

Answer 2

Answer:

The molecules residing on the surface of the water will absorb heat energy taken from the surrounding air. hence, only terminal molecules level the surface,so it is surface phenomenon.

Explanation:

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