Write the differences between Evaporation and Boiling.

Write the differences between Evaporation and Boiling.
(or)
Mention the different processes that change liquids to gases and compare them.
(or)
Ravi asked a doubt "Is sea water evaporates or boils?" ? Give the answer to him by comparing the two processes.


Answer :

There are two processes that changes liquids to gases. They are Evaporation and Boiling.
There are some differences between Evaporation and Boiling...

EvaporationBoiling
1. The process of escape of molecules from the surface of a liquid at any temperature is called Evaporation.1. The process of changing of liquid phase to gaseous phase at a constant temperature is called Boiling.
2. Occurs at any temperature.2. Only occurs at certain temperature.
3. The temperature of the system gets down.3. The temperature of the system increases upto boiling point.
4. It depends on surface area, humidity, temperature and wind speed.4. It depends upon the nature of substance.
Eg : Sea water evaporates to form clouds.Eg : Water boils at 100 degrees centigrade.


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