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Evaporation and Boiling

By : Asad Ali Arshad
Difference between Boiling and Evaporation:



Boiling

Evaporation

Takes place only at a particular temperature at which the vapour pressure of the liquid becomes equal to the atmospheric pressure.
Occurs spontaneously at all temperature. In all seasons whether it is winter or summer.
Involves the formation of bubbles of the vapour throughout the bulk of the liquid.
Takes place only at the surface of the liquid.
Also we can saw evaporation is a process in which a substance changes its state from the liquid state to gaseous state.
Evaporation is a process whereby the water is changing into vapour without boiling.
It is a quick process.
It is a slow process.
Bubbles are formed.
No bubbles are formed.
Occurs at a specific temperature.
Occurs at all temperature.
Source of energy needed.
Energy supplied by surrounding.






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