A) \[\frac{2}{3}\]part is nitrogen and \[\frac{1}{3}\]rd part is oxygen
B) \[\frac{3}{4}\]part is oxygen and\[\frac{1}{4}\] part is nitrogen
C) \[\frac{1}{2}\]part is oxygen and\[\frac{1}{2}\] part is nitrogen and other
D) \[\frac{1}{5}\]part is oxygen and \[\frac{4}{5}\]part is nitrogen and other gases.
Correct Answer: D
Solution :
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