![What is the total percentage of nitrogen gas in the air?](https://www.gkseries.com/blog/wp-content/uploads/2021/12/What-is-the-total-percentage-of-nitrogen-gas-in-the-air.png)
Q. What is the total percentage of nitrogen gas in the air?
- 12 per cent
- 21 per cent
- 78 per cent
- 87 per cent
Answer: 78 per cent.
Answer: 78 per cent.
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