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. Ecosystem is a smaller unit of:

A) Biosphere

B) Atmospheric

C) Lithosphere

D) Hydrosphere

2 / 20

2. Ozone is mostly concentrated in:

A) Mesosphere

B) Stratosphere

C) Troposphere

D) Thermosphere

3 / 20

3. The thickness of the ozone layer is

A) 25-28km

B) 25-50km

C) 1km only

D) 3km only

4 / 20

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

A) SO2

B) CFCs

C) CO

D) CO2

5 / 20

5. The primary pollutant is that

A) waste product of an industry

B) which corrode the metal only

C) which causes cancer

D) Whose concentration cannot be controlled

6 / 20

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

A) Eyes

B) Stomach

C) Ears

D) Nose

7 / 20

7. The type of contaminants present in leachate is:

A) Dissolved

B) Suspended

C) All

D) Microbial

8 / 20

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

A) Rapid increase in population

B) Industrialization

C) All of the above

D) Transportation

9 / 20

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

A) Mesosphere

B) Stratosphere

C) Troposphere

D) Thermosphere

10 / 20

10. What adversely affects human health is

A) Ecosphere

B) pollutant

C) atmosphere

D) Ecosystem

11 / 20

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

A) CO

B) N2O4

C) CO2

D) NO2

12 / 20

12. Identify the wrong statement:

A) Ozone layer filter out the infrared radiations

B) Greenhouse effect is responsible for global warming

C) Chlorofluorocarbons are responsible for ozone layer depletion

D) Acid rain causes NOx and SOz

13 / 20

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

A) 20000

B) 100000

C) 10000

D) 50000

14 / 20

14. Which of the following is a primary pollutant?

A) PAN

B) CO

C) H2CO3

D) H2SO4

15 / 20

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

A) Biosphere

B) Lithosphere

C) Atmosphere

D) Hydrosphere

16 / 20

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

A) Stratosphere

B) Mesosphere

C) Troposphere

D) Thermosphere

17 / 20

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

A) Carbon dioxide

B) Carbon monoxide

C) Sulphur trioxide

D) Oxygen

18 / 20

18. Why is CO called a pollutant? Reason is

A) It inactivates glycolysis

B) It combines with oxygen

C) it combines with hemoglobin

D) inactivates nerves

19 / 20

19. The third major component of the atmosphere is:

A) Ar

B) CO2

C) N2

D) O2

20 / 20

20. The pH range of acid rain is

A) 7-6.5

B) 8-7.5

C) less than 5

D) 6.5 - 6

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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