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Question

When we put acetone (nail polish remover) on your hand, it feels cold. Identify the correct reason for the same.


A

Freezing of petrol on your hand.

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B

Evaporation of petrol.

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C

Boiling of petrol over your hand.

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D

Melting of petrol on your hand.

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Solution

The correct option is B

Evaporation of petrol.


Evaporation causes cooling. The particles of a substance while evaporating consume heat energy from their surroundings and get converted into vapor. Acetone has a low boiling point of 56 C.
So, when we put acetone on our hand, it evaporates by absorbing heat from the hand easily. Therefore, it feels cold.


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