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

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

2. Aeroplanes fly in:

3. It is a major contributor to ozone depletion.

4. It causes the production of smog.

5. The higher the altitude the is the atmosphere.

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

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

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

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

10. Troposphere altitudes varies from about:

11. Atmospheric pressure decreases with the

12. Weather balloons go as high as the:

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

14. Ozone layer is part of:

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

16. It is the second-lowest layer of Earth’s atmosphere.

17. The most abundant element in the atmosphere is:

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

19. Which is not part of greenhouse gases?

20. The altitude on stratosphere is: