What is the total percentage of nitrogen gas in the air?

What is the total percentage of nitrogen gas in the air?

(a) 12 per cent

(b) 21 per cent

(c) 78 per cent

(d) 87 per cent

Answer: (c) The total percentage of nitrogen gas in the air is 78 percent. Nitrogen is used to concentrate liquid samples and reduce their volume. The chemical industry relies on it as well. Fertilizers, nitric acid, nylon, colors, and explosives are all made with it.

More Questions on Air Pollution

1. Who was the first scientist to coin the term SMOG and to describe the layers of SMOG?

2. Which of the following pollutants are responsible for the cause of SMOG?

3. Which of the following is called the secondary air pollutant?

4. Which of the following particles is called the particulate pollutants?

5. Which of the following agents is responsible for turning the Taj Mahal yellow?

6. Which of the following statements is true about SMOG?

7. What type of precautions should be taken to survive when the ozone level is high?

8. Which of the following statements is true about the Air Quality Index?

9. The major photochemical smog is________.

10. Which of the following diseases are caused by smog?

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