Question

Which of the following gases are present in air?

• A. Oxygen
• B. Water Vapour
• C. Carbon Dioxide
• D. Nitrogen

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A

Oxygen

B

Water Vapour

C

Carbon Dioxide

D

Nitrogen

Air is a mixture of gases, water vapour and dust particles. It has many gases such as nitrogen, oxygen, carbon dioxide, carbon monoxide, water vapour and even dust particles.Dry air contains 20.95% oxygen,78.09% nitrogen,0.04% carbon dioxide, 0.93% argon and small amounts of other gases.