Chemistry
The most abundant gas in Earth's atmosphere is:
- oxygen
- nitrogen
- carbon dioxide
- argon
Air
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Answer
nitrogen
Reason — The most abundant gas in Earth's atmosphere is Nitrogen. The amount of nitrogen in air is 78%.
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Related Questions
Air consists of:
- only oxygen
- only nitrogen
- only carbon dioxide
- all of these.
Which of the following gases supports burning?
- oxygen
- nitrogen
- carbon dioxide
- water vapour
Air is a mixture because:
- the components of air retain their individual properties.
- energy change takes place when the components of air are mixed together.
- the composition of air remains the same everywhere.
- the components of air cannot be separated by simple physical methods.
Oxygen in air is:
- 4/5 parts
- 1/5 parts
- 1/3 parts
- negligible