Defence between boiling and evaporation

Evaporation vs. Boiling Article

What is Evaporation?

Evaporation is a process where liquid turn into vapor. Example is “water evaporated from the soil”

What is Boiling?

means rapid vaporization of any liquid. It happens when a liquid is heated to its boiling point. The boiling occurs in three different stages such as nucleate boiling, transition boiling and film boiling. There are no stages for evaporation.

BOILING	EVAPORATION
A process in which a substance changes its state from the liquid state to the gaseous state	A process in which a substance changes its state from the liquid state to the gaseous state without boiling
Fast	Slow
Bubbles are formed	No bubbles formed
Occurs throughout the liquid	Takes place only from the exposed surface of the liquid
Occurs at a definite temperature – Boiling point	Occurs at all temperature
Source of energy needed	Energy supplied by surroundings

SUMMARY OF BOILING AND EVAPORATION:

1. Evaporation occurs on the surface of the liquid whereas boiling occurs at the entire length of liquid.
2. Boiling occurs rapidly whereas evaporation occurs slowly.
3. Evaporation occurs at any temperature whereas boiling occurs at a specific temperature.
4. The motion of particles is fast in boiling whereas in evaporation few particles move slowly and few at a faster rate.
5. There is formation of bubbles in boiling, but bubbles are not seen in evaporation.