CBSE Class 9 Answered
if thr back of your hand is moist with alcohol it rapidly becomes dry and feel cool?why?
Asked by Sunny | 13 May, 2017, 11:14: AM
Expert Answer
The alcohol present on our hand absorbs its latent heat of vaporisation from our hand and evaporates quickly.
It withdraws the heat and in the process cools our hand.
Answered by Vaibhav Chavan | 13 May, 2017, 05:52: PM
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