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STD 11 - 5. Thermodynamics and thermochemistry — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 5. Thermodynamics and thermochemistry4 Marks
MCQ
Evaporation of water is
  • ✓
    An endothermic change
  • B
    An exothermic change
  • C
    A process where no heat change occurs
  • D
    A process accompanied by chemical reaction
✓

Answer

Correct option: A.
An endothermic change
(a)Change of liquid to vapour takes energy in the form of heat so it is endothermic reaction.

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