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

Total Question
20 Questions
Total Marks
40 Marks
Total Time
20 Minuts
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12th Chemistry Class Test
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Test Name



Ch.16 # Environmental Chemistry

Subject



Chemistry (12th Class)

Test Type



MCQs


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

Question 1 of 20

Question 2 of 20

2. High valued pure chemicals are known as:

1.
2.
3.
4.

Question 2 of 20

Question 3 of 20

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

Question 3 of 20

Question 4 of 20

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

Question 4 of 20

Question 5 of 20

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

Question 5 of 20

Question 6 of 20

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

Question 6 of 20

Question 7 of 20

7. In leather industry:
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. Peroxyacetylnitrate (PAN) is an irritant to human beings and it affects:
1.
2.
3.
4.

Question 9 of 20

Question 10 of 20

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

Question 10 of 20

Question 11 of 20

11. Air is polluted by:

1.
2.
3.
4.

Question 11 of 20

Question 12 of 20

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

Question 12 of 20

Question 13 of 20

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

1.
2.
3.
4.

Question 13 of 20

Question 14 of 20

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

Question 14 of 20

Question 15 of 20

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

Question 15 of 20

Question 16 of 20

16. What do you mean by BOC.

1.
2.
3.
4.

Question 16 of 20

Question 17 of 20

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

Question 17 of 20

Question 18 of 20

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

Question 18 of 20

Question 19 of 20

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

Question 19 of 20

Question 20 of 20

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

Question 20 of 20


 

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