Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Define boiling.

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Boiling is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling point. A liquid is changed into gas on boiling.