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. 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

2 / 20

2. Ozone is mostly concentrated in:

A) Troposphere

B) Mesosphere

C) Thermosphere

D) Stratosphere

3 / 20

3. Which of the following is a primary pollutant?

A) H2SO4

B) CO

C) H2CO3

D) PAN

4 / 20

4. Ecosystem is a smaller unit of:

A) Biosphere

B) Atmospheric

C) Lithosphere

D) Hydrosphere

5 / 20

5. The third major component of the atmosphere is:

A) Ar

B) O2

C) CO2

D) N2

6 / 20

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

A) Eyes

B) Nose

C) Stomach

D) Ears

7 / 20

7. The thickness of the ozone layer is

A) 3km only

B) 25-50km

C) 25-28km

D) 1km only

8 / 20

8. The pH range of acid rain is

A) 6.5 - 6

B) less than 5

C) 8-7.5

D) 7-6.5

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

A) Mesosphere

B) Stratosphere

C) Troposphere

D) Thermosphere

10 / 20

10. What adversely affects human health is

A) Ecosystem

B) Ecosphere

C) atmosphere

D) pollutant

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

A) Troposphere

B) Thermosphere

C) Mesosphere

D) Stratosphere

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

A) Oxygen

B) Sulphur trioxide

C) Carbon monoxide

D) Carbon dioxide

13 / 20

13. Identify the wrong statement:

A) Greenhouse effect is responsible for global warming

B) Ozone layer filter out the infrared radiations

C) Acid rain causes NOx and SOz

D) Chlorofluorocarbons are responsible for ozone layer depletion

14 / 20

14. The primary pollutant is that

A) Whose concentration cannot be controlled

B) waste product of an industry

C) which causes cancer

D) which corrode the metal only

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

A) Biosphere

B) Lithosphere

C) Hydrosphere

D) Atmosphere

16 / 20

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

A) SO2

B) CO2

C) CFCs

D) CO

17 / 20

17. Why is CO called a pollutant? Reason is

A) It combines with oxygen

B) inactivates nerves

C) it combines with hemoglobin

D) It inactivates glycolysis

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

A) N2O4

B) NO2

C) CO2

D) CO

19 / 20

19. The type of contaminants present in leachate is:

A) Microbial

B) Dissolved

C) All

D) Suspended

20 / 20

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

A) 100000

B) 50000

C) 10000

D) 20000

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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