1.

Decrease in temperature is noticed by sprinkling water in closed room. Because,

Answer»

temperature of water is less than room
specific heat of water is HIGH
latent heat of VAPOURIZATION of water is high.
water is heat insulator

Solution :By sprinkling of water, it ABSORBS energy from room for vapourization and ITTO steam.Latent heat of vapourization of water is high, hence it converts into steam by ABSORBING heat, thus temperature of room decreases.


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