Question

How does water get cold in an earthen pot

Answer 1

"In an earthen pot water gets evaporated quickly through the pores cooling caused by evaporation some heat energy utilseductive 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 ".

Answer 2

The walls of an eathen pot are porous,which leads to seepage of water. It is the main reason you will find the outside wall wet. Now the water which comes to the outside surface though seepage gets evaporated.For evaporation to happen, there is a factor called latent heat of evaporation,i.e. it must absorb some heat to change its material state from liquid to gaseous one. So it absorbs the heat from the water inside the pot to change its state. Now the water losing heat energy consequently looses temperature making it cooler than the atmospheric temperature. That is why water remains cool in an earthen pot.
hope it help uu