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Dust and Smoke

Which type of...

Question

Which type of air does not contain water vapour?

A

Warm air

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B

Dry air

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C

Moist air

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D

Polluted air

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Solution

The correct option is B Dry air
Dry air does not contain water vapour. Whereas moist, warm and polluted air contains water vapour. The humidity in the air is because of the presence of water vapour.

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