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Atmosphere

The nitrogen ...

Question

The nitrogen content in air is:

A

78%

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B

21%

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C

5%

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D

50%

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Solution

The correct option is A 78%
Air is a mixture of gases such as nitrogen, oxygen, carbon dioxide etc. Main gases present in the air are nitrogen and oxygen. The percentage of nitrogen gas is 78% followed by 21% oxygen gas.

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