1.

Evaporation of water is [CPMT 1973; DPMT 1982; MP PMT 1989; MP PET 1999]

A.                 An endothermic change
B.                 An exothermic change
C.                 A process where no heat change occurs
D.                 A process accompanied by chemical reaction
Answer» B.                 An exothermic change


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