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Question

The percentage of nitrogen in air is



A

91%

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B

0.1%

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C

54%

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D

78%

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Solution

The correct option is C

78%


The percentage of nitrogen in the air is 78%. Oxygen occupies 21% and argon occupies 0.9%. Gases like carbon dioxide, nitrogen oxides, methane, and ozone are trace gases that account for about a tenth of 1% of the atmosphere.


Chemistry

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