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

1. Ozone layer is part of:

2. The higher the altitude the is the atmosphere.

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

4. Aeroplanes fly in:

5. The most abundant element in the atmosphere is:

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

7. It causes the production of smog.

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

9. It is a major contributor to ozone depletion.

10. Ozone is a gas found in the layer:

11. Weather in this layer affects our daily life.

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

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

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

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

16. Troposphere altitudes varies from about:

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

18. The earth is surrounded by a layer of gases called the:

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

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