Chemistry
What are the main components of air ? Write down the composition of the three main gases present in air by volume.
Air
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Answer
The main gases present in air are nitrogen and oxygen. Besides these two gases, air also contains small quantities of carbon dioxide, water vapour, dust particles and traces of inert gases like helium, neon, argon, etc. Air also contains smoke as a pollutant.
| Gases | Percentage |
|---|---|
| Nitrogen | 78% |
| Oxygen | 21% |
| Carbon dioxide | 0.03-0.04% |
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