Question

people of villages use earthen pots to get cool water in summer. explain the reason that why water remains cool in earthen pots?

Answer 1

bcz it has many tiny pores on its surface
as the heat increases, evaporation through these pores increases as well
and we know very well that evaporation causes cooling
thats why water remains cool

Answer 2

the water remains cool in earthern pots because of latent vapourisation