Which amongst the following statements is true about evaporation?

It is a surface phenomenon.

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It is a bulk phenomenon.

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The molecules undergoing evaporation lose their kinetic energy.

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The molecules undergoing evaporation gain kinetic energy.

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Solution

The correct options are
A It is a surface phenomenon.
D The molecules undergoing evaporation gain kinetic energy.
In evaporation, the water molecules at the surface gain kinetic energy by collisions with the surroundings and the liquid. When these surface molecules acquire enough energy to be free to escape, they flee from the surface, this phenomenon is called evaporation.

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Similar questions

Statement 1: Evaporation causes cooling of the liquid.
Statement 2: During evaporation, the surface molecules with high kinetic energy gets evaporated.

Evaporation is a surface phenomenon explain this in terms of the kinetic theory

Q. How boiling is a bulk phenomenon whereas evaporation is a surface phenomenon?

Q. Assertion :During evaporation of liquid the temperature of the liquid remains unaffected Reason: Kinetic energy of the molecules is directly proportional to absolute temperature

Evaporation is a bulk phenomenon.

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