Online MCQs – Environmental Chemistry-1 The Atmosphere – Chemistry 10th

1. Atmospheric pressure decreases with the

2. Which is not part of greenhouse gases?

3. The most abundant element in the atmosphere is:

4. Around 80% of the mass of the atmosphere is in the:

5. Ozone layer is part of:

6. The higher the altitude the is the atmosphere.

7. Layer of atmosphere which separates stratosphere and troposphere is known as:

8. Which one of the following is a primary pollutant?

9. Weather in this layer affects our daily life.

10. The waste or exhaust products produced by the burning of fossil fuels and organic materials are referred to as:

11. Which of the following is the reason of global warming?

12. Weather balloons go as high as the:

13. It is a major contributor to ozone depletion.

14. Which one of the following is a secondary pollutant?

15. Above the earth’s surface, ozone layer is found roughly:

16. It causes the production of smog.

17. The second most abundant element in the atmosphere is:

18. The lowest layer of Earth’s atmosphere is:

19. The percentage of nitrogen is found in the atmosphere:

20. With respect to earth surface, the earth’s atmospheric layers are classified on the bases of: