Chemistry - Study Mode

[#356] The resources which can be used continuously, year-after-year are called
Correct Answer

(D) Renewable

Explanation

Solution: The natural resources that get replenished in nature are called as the renewable resources. These are the resources that can be used for unlimited time span and can be replaced naturally such as sunlight, water, air etc.

[#357] The highest volume of gases in lower atmosphere is comprised of
Correct Answer

(D) Nitrogen

Explanation

Solution: There are a number of atmospheric gases which make up air. In the lower atmosphere or troposphere, the main gases are nitrogen and oxygen, which make up 78% and 21% of the volume of air respectively. The remaining 1% of the atmospheric gases is made up of trace gases.

[#358] What is the maximum Water Vapour content in the atmosphere?
Correct Answer

(B) 3 to 4 per cent

Explanation

Solution: The maximum water vapour content in the atmosphere is 3 to 4 per cent.

[#359] Which of the process is known as nitrification?
Correct Answer

(C) Conversion of ammonia to nitrites

Explanation

Solution: Nitrification is the process by which ammonia (NH 3 ) or ammonium (NH 4 + ) is converted to nitrate (NO 3 - ).

[#360] Which is not a green house gas ?
Correct Answer

(C) N 2 O

Explanation

Solution: N 2 O is not a green house gas.