First slide

Change of state

Question

The sprinkling of water reduces the temperature of a closed room because

Easy

A

the temperature of water is less than that of the room
B

the specific heat of water is high
C

water has large latent heat of vaporisation
D

water is a bad conductor of heat

Solution

When water is sprinkled in a closed room, it starts evaporating and some energy is lost in the process of conversion of liquid into vapours, which results in cooling. Further, water has large latent heat of vaporisation.

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