Answers

2014-06-18T16:56:22+05:30
Fusion is the state of combination of any two matters
vapourisation is the changing of liquid state to gaseous state
condensation is the change of matter from liquid state to gaseous state 
solidification is the change of matter from solid state to gas gas state direcltly
solidification is the process when liquid become solid
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2014-06-18T17:00:14+05:30
Fusion: Fusion is the process that powers the sun and the stars or the combustion of any two matters.

Vapourisation: Vapourisation is conversion of a substance from liquid or solid state to gas state.

Condensation: Condensation the conversation of a substance from gas or vapour to liquid state.

Solidification: Solidification is the conversation of a substance from liquid state to solid state.

Sublimation: Sublimation is the conversation of a substance from solid state to gas state directly without passing through a liquid state.
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