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Elevation in Boiling Point

At higher alt...

Question

At higher altitude the boiling point of water lowers because.

A

atmospheric pressure is low

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B

temperature is low

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C

Atmospheric pressure is high

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D

None of these

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Solution

The correct option is A atmospheric pressure is low
Boiling point is the point at which the vapour pressure is equal to the atmospheric pressure. At higher altitudes atmospheric pressure is low so the boiling point is low.

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