The pie chart shows the composition of air.
What do X and Y represent respectively?

Carbon dioxide, Nitrogen

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Nitrogen, Oxygen

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Nitrogen, Carbon monoxide

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Helium, Argon

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Solution

The correct option is B Nitrogen, Oxygen
Air is a mixture of gases which contains:
- $78 %$ of nitrogen
- $21 %$ of oxygen
- $1 %$ of other gases
In the given pie chart, 'X' represents nitrogen and 'Y' represents oxygen gas.

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Similar questions

Which of the following air pollutant reduces the oxygen-carrying capacity of blood to a large extent?

(a) carbon dioxide

(b) nitrogen monoxide

(d) sulphur dioxide

Fill in the blanks :

(a) ___ product when carbon is burnt in a limited supply of air or oxygen.

(b) Carbon monoxide burns in air with a ___ flame to form carbon dioxide.

(d) A mixture of 95 $%$ oxygen and 5 $%$ carbon dioxide is called ___

(e) Carbon monoxide is used as a ___ in the extraction of pure metals from their corresponding ores.

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