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

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

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

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

4. It is a major contributor to ozone depletion.

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

6. Ozone layer is part of:

7. Weather balloons go as high as the:

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

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

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

11. The most abundant element in the atmosphere is:

12. Troposphere altitudes varies from about:

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

14. Which is not part of greenhouse gases?

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

16. Aeroplanes fly in:

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

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

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

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