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# Column lColumn ll(A)Conversion of liquid into solid is(p)Regelation(B)Conversion of a liquid into vapour is(q)Sublimation(C) Conversion of solid into vapour directly(r)Fusion(D)Melting of ice caused by pressure is (s)Vaporisation

A
A-r, B-q, C-p, D-s
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B
A-r, B-s, C-q, D-p
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C
A-q, B-p, C-s, D-r
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D
A-p, B-q, C-r, D-s
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Solution

## The correct option is D A-r, B-s, C-q, D-pWhen solid is heated it gets converted to liquid releasing energy/ heat which is also called enthalpy. Hence the process is called fusion Conversion of a liquid into solid is fusion. A→rVaporization, conversion of a substance from the liquid or solid phase into the gaseous (vapour) phase. If conditions allow the formation of vapour bubbles within a liquid, the vaporization process is called boiling.Conversion of a liquid into vapour is vaporisation. B→sA deposition is a process where a vapour or gas coverts directly to solid without going through the liquid phase. It is the opposite of the sublimation process where solid is converted to vapour or gas state directly, so it is also called desublimation.Conversion of a solid into vapour directly is sublimation. C→qRegelation is the phenomenon of melting under pressure and freezing.melting of ice caused by pressure is regelation. D→p

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