Question
Download Solution PDFHow much percentage of oxygen is present in the atmosphere?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is 21%
Key Points
- Air is a mixture of gases that surrounds the earth.
- It consists of different gases.
- About 21% of atmospheric air contains Oxygen.
- It is the second most abundant gas in the atmosphere.
- Nitrogen is the most abundant gas.
- Carbon dioxide, argon, and methane are found in minute quantities.
Additional Information
|
Permanent Gases of the Atmosphere |
|
|
Constituent |
Percent by Volume |
|
Nitrogen (N2) |
78.084 |
|
Oxygen (O2) |
20.946 |
|
Argon (Ar) |
0.934 |
|
Carbon dioxide (CO2) |
0.036 |
|
Neon (Ne) |
0.00182 |
|
Helium (He) |
0.000524 |
|
Krypton (Kr) |
0.000114 |
|
Hydrogen (H2) |
0.00005 |
Last updated on Jun 11, 2025
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