State three differences between evaporation and boiling
|Definition of these two terms||Boiling is vaporisation of liquid into gas due to continuous heating. Most of the time it is not a natural process.||Evaporation on the other hand is a natural process and it is similar to boiling , but the liquid form changes into gaseous form when there is a increase in either temperature or pressure or both.|
|Occurrance||Large mass||only on surface|
|Amount temperature involved||Boiling happens when the temperature reaches to the boiling point.||In Evaporation the temperature does not need to reach to boiling point|
|Bubble Formation||Bubble formation is visible||Bubbles do not form in evaporation|
|Energy||Usually external source of energy is needed for boiling to happen.||Most of the time energy for evaporation is supplied by the atmosphere or surrounding.|
|Length of the process||Rapid Process||Slow process compared to boiling|
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State Three Differences Between Evaporation and Boiling Concept: Concept of Physical and Chemical Changes.