Second most abundant constituent of dry air in terms of volume after nitrogen is :

nitrogen

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oxygen

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carbon dioxide

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helium

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Solution

The correct option is B oxygen
Second most abundant constituent of dry air in terms of volume after nitrogen is oxygen.
And its composition is 20.9%.

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Similar questions

The second most abundant constituent of air is

Q2. (a) What are the different constituents of air?

(b) Which is the most abundant gas present in the air? Give the relative abundance of the oxygen gas present in the air.

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