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

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

2. Atmospheric pressure decreases with the

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

4. Troposphere altitudes varies from about:

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

6. Ozone layer is part of:

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

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

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

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

11. Aeroplanes fly in:

12. Which is not part of greenhouse gases?

13. Weather in this layer affects our daily life.

14. The altitude on stratosphere is:

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

16. Weather balloons go as high as the:

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

18. Ozone is a gas found in the layer:

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

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