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Q.

The ratio of nitrogen to oxygen in the air is:

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a

1 : 2

b

1 : 4

c

4 :1

d

3 : 1

answer is B.

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Detailed Solution

In the air the ratio of nitrogen and oxygen in the volume.

N2:O2=78:21

And their ratioN2:O2=4:1 .

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