Question

arrange oxygen nitrogen cabon dioxide and argon in decreasing order of proportion in air?

Answer 1

nitrogen ,oxygen,carbon dioxide,argon

Answer 2

The major components of the air are: Nitrogen - 78% Oxygen - 20% Argon - 0.93% Carbon dioxide - 0.031% Other gases such as Neon, Helium, Hydrogen etc, are present in trace amounts. The increasing order of the boiming points of the above gases is : Nitrogen (lowest) Argon Oxygen Carbon dioxide.