3. (a) Why do we feel cold when alcohol is kept on our palm?
(6) Define boiling point and melting point.
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Answer:
We feel cold because alcohol takes heat from our palm to vaporise or we can say toh change its state from liquid to gas ..that is due to latent heat of vaporization
Explanation:
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Answer: a) Because alcohol has very low Boiling point when we kept alcohol on our palm it carry energy from our body and evaporate quickly that is why we feel cold when alchol is kept on our palm.
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