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

1. Second most abundant constituent of dry air in terms of volume after nitrogen is:

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

3. It causes the production of smog.

4. Weather balloons go as high as the:

5. Troposphere altitudes varies from about:

6. Second highest layer of Earth’s atmosphere is:

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

8. The higher the altitude the is the atmosphere.

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

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

11. Ozone is a gas found in the layer:

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

13. Which is not part of greenhouse gases?

14. The most abundant element in the atmosphere is:

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

16. Key contributor to the creation of acid rain is:

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

18. Ozone layer is part of:

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

20. It is a major contributor to ozone depletion.