Question

How does the state of matter changes from solid to liquid and then to gas on heating?

Answer 1

solid to liquid by melting point-0c
liquid to gas by boiling point-100c
gasto liquid by condensation
liquid to solid by freezing
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Answer 2

When a solid is heated the molecules of solid is moved and the intermolecular space becomes little more and forms liquid state and when a liquid is heated the molecules of liquid is moves and the intermolecular space become very more and forms gaseous state. This is how solid state changes into liquid and then to gas by heating....
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