Difference between boiling and evaporation


The table below illustrates the differences between boiling and evaporation.

BoilingEvaporation
A process in which a substance changes its state from the liquid state to the gaseous stateA process in which a substance changes its state from the liquid state to the gaseous state without boiling
FastSlow
Bubbles are formedNo bubbles formed
Occurs throughout the liquidTakes place only from the exposed surface of the liquid
Occurs at a definite temperature – Boiling pointOccurs at all temperature
 Source of energy needed Energy supplied by surroundings

 


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