Machine-translated by Google. Questions are authored in English.
Top

Discussion

Air contains maximum amount of

  • A.Oxygen
  • B.Nitrogen
  • C.Hydrogen
  • D.Carbon dioxide

Answer: B

Air contains most nitrogen, about 78 per cent by volume.

Oxygen makes up 21 per cent, argon 0.93 per cent and carbon dioxide about 0.04 per cent. Free hydrogen is present only in traces, being light enough to escape into space.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.