Question

Define evaporation. Give an example which indicates that evaporation is an endothermic process

Answer 1

Answer:evaporation is the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure.

An example which indicates evaporation an endothermic process is sweat, which cools the human body as it evaporates from the skin.

Explanation:

Answer 2

Evaporation is the process of transformation of a matter from it's liquid state to it's gaseous state.

For example we can consider the transformation of water into water vapour for which we need to supply external heat which indicates that it is an endothermic process.