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Answer : The composition of the air around us primarily represents as-
- Nitrogen: 78%
- Oxygen: 21%
- Other gases and vapours: around 1%
The above composition stays constant even if the constituents at each level of the atmosphere are measured.
What is the Composition of Air
What is the composition of air? Learn about nitrogen, oxygen, CO2, and other components of air for CBSE Class 9 Chemistry exam preparation.
