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Question

The temperature at which the vapour pressure of a liquid becomes equal to the external (atmospheric) pressure is its ________.

A
inversion point
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B
melting point
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C
boiling point
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D
None of these
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Solution

The correct option is C boiling point
A liquid starts to boil at a temperature when its vapor pressure becomes equal to the external atmospheric pressure, that temperature is known as boiling point of that liquid.

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