we feel cool when we spray perfume
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We feel cold when we spray perfume on our hand because the perfume requires latent heat of vaporisation to change its state from liquid to gas and this latent heat is provide by our hand,.Our hand loses heat as it gives its heat in converting perfume from liquid to gas. Hence our hand loses heat and becomes cold. Thats the reason we feel cool.
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Because they have low boiling point so when they come in contact with our body they takes heat energy from our body and evaporates. this gives us sensation of cooling.
hope it helps.....
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