Question

What are the undesirable constituents of air

Answer 1

Air contains mostly nitrogen and oxygen, and small amounts of argon, carbon dioxide and water vapor. Other gases namely hydrogen, methane, nitrogen dioxide, ozone, helium, neon, krypton, xenon, carbon monoxide and sulfur dioxide are present in traces. except CO2 AND 02 AND N2 ALL THE GASES ARE USELESS and smoke also

Answer 2

Answer:

Air contains mostly nitrogen and oxygen, and small amounts of argon, carbon dioxide and water vapor. Other gases namely hydrogen, methane, nitrogen dioxide, ozone, helium, neon, krypton, xenon, carbon monoxide and sulfur dioxide are present in traces. except CO2 AND 02 AND N2 ALL THE GASES ARE USELESS