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

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

2. The altitude on stratosphere is:

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

4. It causes the production of smog.

5. Which is not part of greenhouse gases?

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

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

8. The higher the altitude the is the atmosphere.

9. Ozone layer is part of:

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

11. The most abundant element in the atmosphere is:

12. Atmospheric pressure decreases with the

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

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

15. Weather balloons go as high as the:

16. Aeroplanes fly in:

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

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

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

20. The Earth’s atmosphere is divided up into ______ major layers.