Question
Download Solution PDFHow much percentage of nitrogen is present in the atmosphere?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is 78%.
Key Points
Nitrogen and Oxygen are the main components in the Earth's atmosphere by volume as these two gases together account for 99% of the atmosphere.
- Nitrogen(N2): A colourless and tasteless gas, accounts for approx 78% of the atmosphere. It is a major component of chlorophyll and amino acids, the building blocks of proteins.
- Oxygen(O2): A colourless, odourless and tasteless gas, accounts for approx 21% of the atmosphere and makes life possible.
Additional Information
The atmospheric composition of gases are as follow
|
Permanent Gases of the Atmosphere |
|
|
Constituent |
Per cent 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 Jul 12, 2025
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