What percentage of air is accounted by carbon dioxide, water vapour, dust particles and other gases?

78%

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21%

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99%

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Solution

The correct option is D
1%

Carbon dioxide, water vapour, dust particles and other gases constitute only 1% of the air.

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Similar questions

Which of the following will be reduced in air in a city forest when a lot of dust and fly ash is emitted by a coal-based factory in the vicinity?

(a) nitrogen

(b) carbon dioxide

(d) water vapour

Statement I: Air is a mixture of gases, water vapour and dust particles.

Statement II: Air is composed of only one gas that is nitrogen.

Statement III: Air is composed of two gases, nitrogen and oxygen only.

Which of the above statement is incorrect?

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