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

A) Troposphere

B) Stratosphere

C) Mesosphere

D) Thermosphere

2 / 20

2. The thickness of the ozone layer is

A) 3km only

B) 25-50km

C) 1km only

D) 25-28km

3 / 20

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

A) Stomach

B) Nose

C) Ears

D) Eyes

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4. What adversely affects human health is

A) Ecosystem

B) Ecosphere

C) atmosphere

D) pollutant

5 / 20

5. The type of contaminants present in leachate is:

A) Suspended

B) Microbial

C) All

D) Dissolved

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

A) 100000

B) 20000

C) 10000

D) 50000

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7. Identify the wrong statement:

A) Chlorofluorocarbons are responsible for ozone layer depletion

B) Greenhouse effect is responsible for global warming

C) Ozone layer filter out the infrared radiations

D) Acid rain causes NOx and SOz

8 / 20

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

A) Biosphere

B) Atmosphere

C) Hydrosphere

D) Lithosphere

9 / 20

9. The third major component of the atmosphere is:

A) O2

B) Ar

C) CO2

D) N2

10 / 20

10. Why is CO called a pollutant? Reason is

A) It inactivates glycolysis

B) It combines with oxygen

C) inactivates nerves

D) it combines with hemoglobin

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

A) CO2

B) N2O4

C) NO2

D) CO

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

A) Sulphur trioxide

B) Carbon dioxide

C) Oxygen

D) Carbon monoxide

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

A) Mesosphere

B) Troposphere

C) Stratosphere

D) Thermosphere

14 / 20

14. Ozone is mostly concentrated in:

A) Stratosphere

B) Thermosphere

C) Mesosphere

D) Troposphere

15 / 20

15. Ecosystem is a smaller unit of:

A) Hydrosphere

B) Atmospheric

C) Lithosphere

D) Biosphere

16 / 20

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

A) Transportation

B) Rapid increase in population

C) All of the above

D) Industrialization

17 / 20

17. Which of the following is a primary pollutant?

A) H2SO4

B) CO

C) H2CO3

D) PAN

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

A) CO2

B) CFCs

C) CO

D) SO2

19 / 20

19. The pH range of acid rain is

A) less than 5

B) 8-7.5

C) 7-6.5

D) 6.5 - 6

20 / 20

20. The primary pollutant is that

A) Whose concentration cannot be controlled

B) which corrode the metal only

C) waste product of an industry

D) which causes cancer

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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