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) 1km only

B) 3km only

C) 25-28km

D) 25-50km

2 / 20

2. Ecosystem is a smaller unit of:

A) Hydrosphere

B) Atmospheric

C) Biosphere

D) Lithosphere

3 / 20

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

A) Stomach

B) Eyes

C) Ears

D) Nose

4 / 20

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

A) Mesosphere

B) Stratosphere

C) Troposphere

D) Thermosphere

5 / 20

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

A) 100000

B) 20000

C) 50000

D) 10000

6 / 20

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

A) N2O4

B) NO2

C) CO

D) CO2

7 / 20

7. Why is CO called a pollutant? Reason is

A) It inactivates glycolysis

B) inactivates nerves

C) It combines with oxygen

D) it combines with hemoglobin

8 / 20

8. Ozone is mostly concentrated in:

A) Stratosphere

B) Mesosphere

C) Troposphere

D) Thermosphere

9 / 20

9. 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

10 / 20

10. Identify the wrong statement:

A) Chlorofluorocarbons are responsible for ozone layer depletion

B) Acid rain causes NOx and SOz

C) Ozone layer filter out the infrared radiations

D) Greenhouse effect is responsible for global warming

11 / 20

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

A) Thermosphere

B) Troposphere

C) Mesosphere

D) Stratosphere

12 / 20

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

A) CFCs

B) CO2

C) SO2

D) CO

13 / 20

13. The pH range of acid rain is

A) less than 5

B) 6.5 - 6

C) 8-7.5

D) 7-6.5

14 / 20

14. What adversely affects human health is

A) Ecosystem

B) Ecosphere

C) pollutant

D) atmosphere

15 / 20

15. The type of contaminants present in leachate is:

A) Suspended

B) Microbial

C) All

D) Dissolved

16 / 20

16. The third major component of the atmosphere is:

A) N2

B) CO2

C) Ar

D) O2

17 / 20

17. Which of the following is a primary pollutant?

A) PAN

B) H2CO3

C) CO

D) H2SO4

18 / 20

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

A) Transportation

B) Industrialization

C) Rapid increase in population

D) All of the above

19 / 20

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

A) Lithosphere

B) Biosphere

C) Atmosphere

D) Hydrosphere

20 / 20

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

A) Sulphur trioxide

B) Carbon dioxide

C) Carbon monoxide

D) Oxygen

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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