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. What do you mean by BOC.

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2.
3.
4.

Question 1 of 20

Question 2 of 20

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

Question 2 of 20

Question 3 of 20

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

Question 3 of 20

Question 4 of 20

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

Question 4 of 20

Question 5 of 20

5. Fungicides are the pesticides which
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Question 5 of 20

Question 6 of 20

6. Thickness of ozone is:
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2.
3.
4.

Question 6 of 20

Question 7 of 20

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

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2.
3.
4.

Question 7 of 20

Question 8 of 20

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

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Question 9 of 20

9. An example of BOC is:
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4.

Question 9 of 20

Question 10 of 20

10. Water is purified:
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4.

Question 10 of 20

Question 11 of 20

11. The Ecosystem is the smaller unit of:
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Question 11 of 20

Question 12 of 20

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

Question 12 of 20

Question 13 of 20

13. Oxidizing smog consists of high concentration of:
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2.
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Question 13 of 20

Question 14 of 20

14. Ozone is destroyed by:
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Question 14 of 20

Question 15 of 20

15. In leather industry:
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Question 15 of 20

Question 16 of 20

16. High valued pure chemicals are known as:

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Question 16 of 20

Question 17 of 20

17. Which of following gas is not pollutant?
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Question 18 of 20

18. Air is polluted by:

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Question 18 of 20

Question 19 of 20

19. The branch of chemistry which deals with the transformation of natural raw materials is called:
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Question 19 of 20

Question 20 of 20

20. What does BIC stands for:
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Question 20 of 20


 

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