Question

A surgeon often sprays some ether on the skin before performing minor surgery. Why?

Answer 1

Ether is volatile liquid.

It absorbs heat energy from the body and evaporates rapidly such that the temperature of the area becomes so cool and the area becomes numb.

This reduces pain while performing surgery.

Hope it helps............

Answer 2

ether is a volatile substance and to convert water into water vapours it performs latent heat of vaporization