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Matter in Our Surroundings — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceMatter in Our Surroundings2 Marks
Question
Why does evaporation cool a liquid?
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Answer

Evaporation causes cooling because when a liquid evaporates, it draws or takes the latent heat of vaporisation from ‘anything’ which it touches and hence the substances or surroundings lose heat and get cooled.

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