Question

why is cooling produced on evaporation of a liquid

Answer 1

liquid evaporates due to high temperature. so when the liquid evaporates it takes away all the heat from the system and the temperature of the system reduces that is why the system is cooled due to evaporation

Answer 2

here is ur answer:
Molecules in a liquid have varying speeds. ... As the faster-moving molecules escape, the remaining molecules have lower average kinetic energy, and the temperature of the liquid decreases.
jope it helps u