The most abundant constituent of atmospheric air is :
A. Carbon
B. Hydrogen
C. Oxygen
D. Nitrogen
Answer: Option D
Solution(By Examveda Team)
Air is the name given to the atmosphere used in breathing and photosynthesis. Dry air contains roughly (by volume) 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases.This Question Belongs to General Knowledge >> Chemistry
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