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

A) Ears

B) Eyes

C) Nose

D) Stomach

2 / 20

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

A) Troposphere

B) Mesosphere

C) Thermosphere

D) Stratosphere

3 / 20

3. Ozone is mostly concentrated in:

A) Mesosphere

B) Stratosphere

C) Thermosphere

D) Troposphere

4 / 20

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

A) Lithosphere

B) Atmosphere

C) Biosphere

D) Hydrosphere

5 / 20

5. Why is CO called a pollutant? Reason is

A) It inactivates glycolysis

B) it combines with hemoglobin

C) It combines with oxygen

D) inactivates nerves

6 / 20

6. The pH range of acid rain is

A) 7-6.5

B) 6.5 - 6

C) 8-7.5

D) less than 5

7 / 20

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

A) Mesosphere

B) Thermosphere

C) Stratosphere

D) Troposphere

8 / 20

8. The primary pollutant is that

A) which causes cancer

B) which corrode the metal only

C) waste product of an industry

D) Whose concentration cannot be controlled

9 / 20

9. Ecosystem is a smaller unit of:

A) Atmospheric

B) Lithosphere

C) Hydrosphere

D) Biosphere

10 / 20

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

A) NO2

B) CO2

C) CO

D) N2O4

11 / 20

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

A) Carbon dioxide

B) Oxygen

C) Carbon monoxide

D) Sulphur trioxide

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12. What adversely affects human health is

A) atmosphere

B) Ecosystem

C) Ecosphere

D) pollutant

13 / 20

13. Which of the following is a primary pollutant?

A) H2SO4

B) PAN

C) H2CO3

D) CO

14 / 20

14. The type of contaminants present in leachate is:

A) Dissolved

B) Suspended

C) All

D) Microbial

15 / 20

15. The third major component of the atmosphere is:

A) O2

B) CO2

C) N2

D) Ar

16 / 20

16. 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

17 / 20

17. 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

18 / 20

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

A) 100000

B) 20000

C) 50000

D) 10000

19 / 20

19. The thickness of the ozone layer is

A) 3km only

B) 25-50km

C) 1km only

D) 25-28km

20 / 20

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

A) CFCs

B) CO

C) SO2

D) CO2

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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