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. What adversely affects human health is

A) Ecosystem

B) Ecosphere

C) atmosphere

D) pollutant

2 / 20

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

A) Oxygen

B) Carbon dioxide

C) Carbon monoxide

D) Sulphur trioxide

3 / 20

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

A) CO

B) SO2

C) CFCs

D) CO2

4 / 20

4. Ozone is mostly concentrated in:

A) Thermosphere

B) Mesosphere

C) Stratosphere

D) Troposphere

5 / 20

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

A) 20000

B) 100000

C) 50000

D) 10000

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. The type of contaminants present in leachate is:

A) Dissolved

B) Microbial

C) All

D) Suspended

8 / 20

8. Why is CO called a pollutant? Reason is

A) it combines with hemoglobin

B) It combines with oxygen

C) inactivates nerves

D) It inactivates glycolysis

9 / 20

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

A) Stratosphere

B) Mesosphere

C) Troposphere

D) Thermosphere

10 / 20

10. The primary pollutant is that

A) waste product of an industry

B) Whose concentration cannot be controlled

C) which causes cancer

D) which corrode the metal only

11 / 20

11. The thickness of the ozone layer is

A) 1km only

B) 25-28km

C) 3km only

D) 25-50km

12 / 20

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

A) Atmosphere

B) Hydrosphere

C) Lithosphere

D) Biosphere

13 / 20

13. Which of the following is a primary pollutant?

A) H2SO4

B) H2CO3

C) PAN

D) CO

14 / 20

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

A) NO2

B) CO

C) CO2

D) N2O4

15 / 20

15. The third major component of the atmosphere is:

A) N2

B) Ar

C) CO2

D) O2

16 / 20

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

A) Rapid increase in population

B) All of the above

C) Transportation

D) Industrialization

17 / 20

17. Ecosystem is a smaller unit of:

A) Biosphere

B) Lithosphere

C) Atmospheric

D) Hydrosphere

18 / 20

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

A) Stomach

B) Ears

C) Eyes

D) Nose

19 / 20

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

A) Thermosphere

B) Mesosphere

C) Troposphere

D) Stratosphere

20 / 20

20. Identify the wrong statement:

A) Greenhouse effect is responsible for global warming

B) Ozone layer filter out the infrared radiations

C) Chlorofluorocarbons are responsible for ozone layer depletion

D) Acid rain causes NOx and SOz

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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