Question

Which of the following components of air is present in the largest amount in the atmosphere?

• A. Nitrogen
• B. Oxygen
• C. Water vapour
• D. Carbon dioxide

Answer 1

The correct option is A

Nitrogen

The correct option is A.

Explanation of correct option:

1. Nitrogen gas is present in the highest quantity in the air about 78%.
2. It is a natural, non-metal, chemical element essential for sustaining of life on earth.
3. It helps in the growth of plants and animals.

Explanation of incorrect options:

Option B:

Oxygen is the 2nd highest component covering 21% of atmospheric air.

Option C:

The water vapor is present in the range of 0.001-4% of the atmosphere.

Option D:

Carbon dioxide marks 1% of atmospheric air.

Final answer: Nitrogen is present in the largest amount in the atmosphere.