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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. High valued pure chemicals are known as:

1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

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

Question 2 of 20

Question 3 of 20

3. What do you mean by BOC.

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

Question 5 of 20

Question 6 of 20

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

Question 6 of 20

Question 7 of 20

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

Question 7 of 20

Question 8 of 20

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

Question 8 of 20

Question 9 of 20

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

Question 9 of 20

Question 10 of 20

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

Question 10 of 20

Question 11 of 20

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

Question 11 of 20

Question 12 of 20

12. Low valued products produced in large quantities are called:
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. Oxidizing smog consists of high concentration of:
1.
2.
3.
4.

Question 14 of 20

Question 15 of 20

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

Question 15 of 20

Question 16 of 20

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

Question 16 of 20

Question 17 of 20

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

Question 17 of 20

Question 18 of 20

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

Question 18 of 20

Question 19 of 20

19. Air is polluted by:

1.
2.
3.
4.

Question 19 of 20

Question 20 of 20

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

Question 20 of 20


 

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