General Knowledge - Chemistry - Discussion

Discussion Forum : Chemistry - Section 1 (Q.No. 52)
52.
The major constituent of air is
nitrogen
carbon dioxide
oxygen
hydrogen
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
10 comments Page 1 of 1.

Suman kumar said:   5 years ago
N2 - 78%.
O2 - 21%.
Co2 - 0.03%.
Ar - 0.9%.

Raaj Prajapati said:   7 years ago
78.02% of Nitrogen Gas and 21% is O2.

Yusuf said:   9 years ago
Nitrogen is about 78% in the atmosphere, so the answer for this is nitrogen.

Uma mahesh said:   9 years ago
Hydrogen also most abundant in the universe and on the surface of the globe.

Then what is the difference between both of them?

Mustapha said:   10 years ago
It is nitrogen because it is 78 percent in air.

Dan jnr said:   1 decade ago
Nitrogen is about 78% in the atmosphere and the most abundant in it.

Samson ojochoko said:   1 decade ago
N is the most abundant element in the atmosphere of about percent.

Ernest said:   1 decade ago
Nitrogen is the most abundant gas in air its about 70 percent.

Tsa said:   1 decade ago
Nitrogen is the most abundant gas present in the air. 78% of the air contains N2. While oxygen is only 21% and the reat other gases.

Nishu tyagi said:   1 decade ago
B'cos in atmosphere the nitrogen is present about 70%.

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