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

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

2. The most abundant element in the atmosphere is:

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

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

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

6. Ozone is a gas found in the layer:

7. Aeroplanes fly in:

8. Ozone layer is part of:

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

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

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

12. Atmospheric pressure decreases with the

13. It is a major contributor to ozone depletion.

14. It causes the production of smog.

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

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

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

18. Weather in this layer affects our daily life.

19. Troposphere altitudes varies from about:

20. Which is not part of greenhouse gases?