Question

both the process of evaporation and boiling involves the change of state from liquid to gas but still they are different from each other . Justify

Answer 1

evaporation occurs at room temperature and does not require heating whereas boiling occurs only at fixed boiling temperature.
 Evaporation occurs only on surface whereas  boiling change a large mass of liquid into gas.evaporation occurs at slow speed whereas boiling is a rapid process.

Answer 2

Your answer is---------
Ans) - Since,boiling is also the time in which dissolved oxygen starts escaping from the water in the form of bubbles after which when they are completely escaped and leaving the water surface they starts to evaporates.
Hope you have understood my answer!!!!