Q10 of 50 Page 29

Boiling of a liquid takes place at


A liquid starts to boil at the boiling point. Boiling point is the temperature at which the liquid starts changing to gas at atmospheric pressure. So the conditions for boiling are fixed temperature and normal atmospheric pressure.

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8

Evaporation of a liquid takes place at:

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When water gets solidified into ice, then heat is:

 11

Arrange the following in the increasing order of ‘forces of attraction’:

 12

Which condition out of the following increase the evaporation of water.