what do you mean by evaporation? why does evaporation cool a liquid?

Asked by  | 22nd Apr, 2008, 08:40: PM

Expert Answer:

evaporation is vapourisation of  surface molecules of a liquid into vapour state . it cools the liquid b coz liquid molecules on the surface absorb heat energy to get transformed from liquid to vapour state

Answered by  | 21st Dec, 2017, 12:37: PM