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Air contains 23 % oxygen and 77 % nitrog...

Air contains 23 % oxygen and 77 % nitrogen by weight. The percentage of `O_(2)` by volume is

A

28.1

B

20.7

C

21.8

D

23

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AAKASH INSTITUTE ENGLISH-STATES OF MATTER-ASSIGNMENT (SECTION-B)
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  2. Correct statement

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