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Heat Capacity

A liquid is b...

Question

A liquid is being converted into vapours at its boiling point the specific heat of the liquid at this temperature will be.

A

Zero

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B

Infinite

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C

Positive

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D

Negative

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Solution

The correct option is A Zero
The boiling point of a liquid is defined as the temperature at which the vapour pressure of the liquid becomes equal to the atmospheric pressure. Therefore, at boiling point, specific heat of a liquid is equal to the specific heat of vaporization of that liquid.

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