2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

Check the important 2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry here. This chapter is about the study of different chemicals in the environment. There are different pollutants including CO, SO2, and oxides of Nitrogen that are polluting the environment. The polluted air that has chemical pollutants including CO, SO2, and Oxides of Nitrogen are very dangerous for the environment. There are causes of Water pollution. There are different ways to prepare purified water and treatment of industrial waste to clean the environment. Now let’s move toward the MCQs and start preparing for the entrance test. Solve the quiz given below and also check the answers.

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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2nd Year Chemistry Chapter 16

1 / 20

1. The thickness of the ozone layer is

A) 3km only

B) 1km only

C) 25-50km

D) 25-28km

2 / 20

2. Which of the following is a primary pollutant?

A) PAN

B) CO

C) H2CO3

D) H2SO4

3 / 20

3. Choose the chief air pollutant among the following which depletes ozone player

A) CFCs

B) CO

C) SO2

D) CO2

4 / 20

4. Ozone is mostly concentrated in:

A) Troposphere

B) Stratosphere

C) Thermosphere

D) Mesosphere

5 / 20

5. Which component of the atmosphere is far away from earth's surface?

A) Thermosphere

B) Mesosphere

C) Troposphere

D) Stratosphere

6 / 20

6. The third major component of the atmosphere is:

A) Ar

B) N2

C) CO2

D) O2

7 / 20

7. What adversely affects human health is

A) Ecosystem

B) Ecosphere

C) pollutant

D) atmosphere

8 / 20

8. In which of the following layer of the atmosphere, there is more thickness of ozone:

A) Mesosphere

B) Stratosphere

C) Thermosphere

D) Troposphere

9 / 20

9. The major component of the environment where life can exist is called:

A) Atmosphere

B) Biosphere

C) Hydrosphere

D) Lithosphere

10 / 20

10. The pH range of acid rain is

A) 8-7.5

B) 7-6.5

C) 6.5 - 6

D) less than 5

11 / 20

11. Peroxyacetyl nitrate is an irritant to human beings and it affects humans:

A) Stomach

B) Eyes

C) Nose

D) Ears

12 / 20

12. Ecosystem is a smaller unit of:

A) Biosphere

B) Atmospheric

C) Lithosphere

D) Hydrosphere

13 / 20

13. Which of the following is considered as a cause of pollution:

A) Industrialization

B) All of the above

C) Rapid increase in population

D) Transportation

14 / 20

14. Identify the wrong statement:

A) Acid rain causes NOx and SOz

B) Chlorofluorocarbons are responsible for ozone layer depletion

C) Ozone layer filter out the infrared radiations

D) Greenhouse effect is responsible for global warming

15 / 20

15. The primary pollutant is that

A) which corrode the metal only

B) Whose concentration cannot be controlled

C) waste product of an industry

D) which causes cancer

16 / 20

16. CFCs destroy the ozone layer. How many ozone molecules a chlorine-free radical can destroy?

A) 100000

B) 50000

C) 10000

D) 20000

17 / 20

17. Which of the following air pollutants is quite killer:

A) N2O4

B) NO2

C) CO

D) CO2

18 / 20

18. Why is CO called a pollutant? Reason is

A) inactivates nerves

B) It inactivates glycolysis

C) It combines with oxygen

D) it combines with hemoglobin

19 / 20

19. The one which reacts with hemoglobin of blood and produces toxic effect:

A) Carbon dioxide

B) Carbon monoxide

C) Sulphur trioxide

D) Oxygen

20 / 20

20. The type of contaminants present in leachate is:

A) Microbial

B) All

C) Suspended

D) Dissolved

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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