Why does our palm feel cold when we put sme petrol or perfume ?
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5
due to evaporation.
petrol and perfume have lower boiling point so they evaporate at room temperature and we know that evaporation cause cooling.
petrol and perfume have lower boiling point so they evaporate at room temperature and we know that evaporation cause cooling.
Answered by
7
Our palm feel cold when we put some petrol or perfume because of Evaporation. As soon as such a thing is put on palm, it comes in contact with air and evaporates ( since it is a gas ) thus leaving the surface cool and hence we feel cold on our palm.
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