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

Class 10th | Chemistry | Chapter 5 | Environmental Chemistry-1 The Atmosphere | Solved Online MCQs Test

Online MCQs Test of Chapter 5 (Environmental Chemistry-1 The Atmosphere) Chemistry Class 10th Science Group – Sindh Board. According to New Examination Pattern / Syllabus of Sindh Board

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. The most abundant element in the atmosphere is:

 
 
 
 

5. The altitude on stratosphere is:

 
 
 
 

6. It causes the production of smog.

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Aeroplanes fly in:

 
 
 
 

11. Ozone is a gas found in the layer:

 
 
 
 

12. It is a major contributor to ozone depletion.

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Which is not part of greenhouse gases?

 
 
 
 

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

 
 
 
 

18. Ozone layer is part of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 


Scroll to Top