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. Ecosystem is a smaller unit of:

A) Lithosphere

B) Atmospheric

C) Biosphere

D) Hydrosphere

2 / 20

2. What adversely affects human health is

A) Ecosystem

B) atmosphere

C) pollutant

D) Ecosphere

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3. Which of the following is a primary pollutant?

A) PAN

B) H2CO3

C) CO

D) H2SO4

4 / 20

4. The thickness of the ozone layer is

A) 1km only

B) 25-50km

C) 3km only

D) 25-28km

5 / 20

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

A) Troposphere

B) Thermosphere

C) Stratosphere

D) Mesosphere

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

A) Troposphere

B) Stratosphere

C) Thermosphere

D) Mesosphere

7 / 20

7. The primary pollutant is that

A) which causes cancer

B) Whose concentration cannot be controlled

C) waste product of an industry

D) which corrode the metal only

8 / 20

8. The pH range of acid rain is

A) 6.5 - 6

B) 8-7.5

C) less than 5

D) 7-6.5

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

A) Nose

B) Ears

C) Eyes

D) Stomach

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

A) Carbon monoxide

B) Carbon dioxide

C) Oxygen

D) Sulphur trioxide

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

A) NO2

B) N2O4

C) CO

D) CO2

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

A) All of the above

B) Transportation

C) Rapid increase in population

D) Industrialization

14 / 20

14. Ozone is mostly concentrated in:

A) Troposphere

B) Mesosphere

C) Stratosphere

D) Thermosphere

15 / 20

15. The third major component of the atmosphere is:

A) Ar

B) O2

C) CO2

D) N2

16 / 20

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

A) 10000

B) 50000

C) 20000

D) 100000

17 / 20

17. Identify the wrong statement:

A) Greenhouse effect is responsible for global warming

B) Chlorofluorocarbons are responsible for ozone layer depletion

C) Acid rain causes NOx and SOz

D) Ozone layer filter out the infrared radiations

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

A) CO2

B) SO2

C) CO

D) CFCs

19 / 20

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

A) Biosphere

B) Lithosphere

C) Atmosphere

D) Hydrosphere

20 / 20

20. The type of contaminants present in leachate is:

A) Microbial

B) All

C) Suspended

D) Dissolved

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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