Question

constituent is present in large proportion in air : oxygen ,nitrogen, argon or carbon dioxide

Answer 1

NIROGEN - 78%
OXYGEN - 21%
ARGON - 0.5%(approx.)
CARBON DIOXIDE - 0.5%(approx.)

Hope it helps u

Answer 2

Hi...!

Air has maximum constitution of nitrogen , which is 78% . The components that follow are :

Oxygen --- 21 %

Carbon Dioxide --- 0.03 %

Water Vapour --- 0.4-4 %(variable)

Noble Gases --- Traces (mainly argon 0.93 %)