Punjab 12th Class Chemistry Chapter 16 Environmental Chemistry Mcqs Test Online
Questions 20
Total Marks 40
Time 20 Mins
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Punjab 12th Class Chemistry Chapter 16 Environmental Chemistry Mcqs Test Online

Punjab 12th Class Chemistry Chapter 16 Environmental Chemistry Mcqs Test Online

 

Question 1 of 20

Chemistry

1. The branch of chemistry which deals with the transformation of natural raw materials is called:
1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

2. Air is polluted by:

1.
2.
3.
4.

Question 2 of 20

Question 3 of 20

3. The Ecosystem is the smaller unit of:
1.
2.
3.
4.

Question 3 of 20

Question 4 of 20

4. When chlorine is passed through water then the disinfection is done due to the production?
1.
2.
3.
4.

Question 4 of 20

Question 5 of 20

5. Fungicides are the pesticides which
1.
2.
3.
4.

Question 5 of 20

Question 6 of 20

6. Peroxyacetylnitrate (PAN) is an irritant to human beings and it affects:
1.
2.
3.
4.

Question 6 of 20

Question 7 of 20

7. Oxides of sulfur and nitrogen react with oxygen to form:

1.
2.
3.
4.

Question 7 of 20

Question 8 of 20

8. An example of BOC is:
1.
2.
3.
4.

Question 8 of 20

Question 9 of 20

9. High valued products produced in low volumes are called:
1.
2.
3.
4.

Question 9 of 20

Question 10 of 20

10. In leather industry:
1.
2.
3.
4.

Question 10 of 20

Question 11 of 20

11. Water is purified:
1.
2.
3.
4.

Question 11 of 20

Question 12 of 20

12. An example of BIC:
1.
2.
3.
4.

Question 12 of 20

Question 13 of 20

13. What do you mean by BOC.

1.
2.
3.
4.

Question 13 of 20

Question 14 of 20

14. Thickness of ozone is:
1.
2.
3.
4.

Question 14 of 20

Question 15 of 20

15. Low valued products produced in large quantities are called:
1.
2.
3.
4.

Question 15 of 20

Question 16 of 20

16. High valued pure chemicals are known as:

1.
2.
3.
4.

Question 16 of 20

Question 17 of 20

17. Which of following gas is not pollutant?
1.
2.
3.
4.

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Question 18 of 20

18. Ozone is destroyed by:
1.
2.
3.
4.

Question 18 of 20

Question 19 of 20

19. What does BIC stands for:
1.
2.
3.
4.

Question 19 of 20

Question 20 of 20

20. Oxidizing smog consists of high concentration of:
1.
2.
3.
4.

Question 20 of 20


 

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