evaporation causing cooling explain
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EVAPORATION CAUSING COOLING BECAUSE DURING EVAPORATION THE PARTICLE OF THE LIQUID ABSORBED ENERGY FROM THE SURROUNDINGS TO REGAIN THE ENERGY LOST DURING EVAPORATION. THE ABSORPTION OF HEAT FROM THE SURROUNDING MAKES THE SURROUNDING COOL.
EXAMPLE: 1. WHEN WE SPRAY DEO ON OUR HAND.
2. ACETONE
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A liquid requires energy to change its form to gaseous state , which is evapouration. It takes this energy in form of heat from the body from which it evaporates . This leaves the body cooler than before .
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