Question

Water stored in an earthen vessel. becomes cool give reason why?

Answer 1

water became cool bcoz In an earthen pot, water getsevaporated quickly through the pores.Cooling is caused by evaporation. Some heat energy is utilised during the process of evaporation. Since this energy is taken from the water itself, it leads to a lowering of temperature in the remaining amount of water.
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Answer 2

Water stored in an earthen vessel (pot) becomes cool because of evaporation takes place from the wholes present in earthen vessel and we know that evaporation always results into cooling.

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