Question

What are the different constituents of air.

Answer 1

1. Air is a mixture of nitrogen, oxygen, carbon dioxide, water vapors, and some other gases.
2. Air also contains dust particles.
3. By volume, dry air contains 78.09% nitrogen(N₂), 20.95% oxygen(O₂), 0.93% argon(Ar), 0.04% carbon dioxide(CO₂), and small amounts of other gases.
4. Air also contains a variable amount of water vapor[H₂O(g)] on average around 1% at sea level, and 0.4% over the entire atmosphere.