Enumerate the changes that take place inside the matter during the change of states.
Q. (a) Enumerate the changes that take place inside the matter during the change of states.
(b) When a solid melts, its temperature remains the same. Give reason.
Ans.
(a) On increasing temperature, KE of the molecules increases and force of attraction between the molecules decrease and the state of matter changes.
(b) This is because the heat supplied to the matter is utilised in changing the state by overcoming the force of attraction.
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