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Question

When we put acetone (nail polish remover) in your hand, we will feel cold. Why?


A

Acetone freezes on your hand surface.

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B
Acetone being volatile, evaporates rapidly.
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C

Acetone starts boiling taking heat from the hand.

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D

Melting of acetone on your hand.

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Solution

The correct option is B Acetone being volatile, evaporates rapidly.

Evaporation causes cooling. The particles of a substance while evaporating consumes heat energy from its surroundings and converts into vapour. Acetone has a low boiling point of 56 C. So, when we put acetone in our hand, it evaporates by absorbing heat from the hand easily. Therefore, we feel cold.


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