Question

how does evaporation cause cooling ?​

Answer 1

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★When a liquid evaporates it draws the energy from the liquid itself. hence it keeps cooling. the liquid draws on the energy lost from the surrounding that in turn become cooler.

★Examples :-

$\implies$ water droplets on the outer surface of a glass containing cold water.

$\implies$ a wet handkerchief is placed on the forehead of a person suffering from fever.

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Answer 2

Answer:

when liquid turns into the gas it need hit to evaporate...as the faster molecules escape, the remaining molecules have lower average kinetic energy and the temperature of liquid decreases. the phenomenon is called evaporating cooling sweat cool the humans body.