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Why does water become cool in an earthen pot?

Answer and explanation

Correct answer: घड़े के सूक्ष्म छिद्रों से पानी के वाष्पीकरण के कारण

An earthen pot has tiny pores. A small amount of water reaches the outer surface through these pores and evaporates. Evaporation requires heat, which is taken from the water and the pot, so the remaining water becomes cool. The pot does not completely block outside heat; evaporation is the main cause of cooling. Exam tip: Remember: porous pot + evaporation = cooling.

Related tags

EvaporationEvaporative CoolingEarthen PotPorous MaterialsLatent HeatNature Of MatterSome Basic Concepts Of ChemistryChemistry

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