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. The primary pollutant is that

A) which causes cancer

B) waste product of an industry

C) which corrode the metal only

D) Whose concentration cannot be controlled

2 / 20

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

A) Ears

B) Nose

C) Stomach

D) Eyes

3 / 20

3. Identify the wrong statement:

A) Acid rain causes NOx and SOz

B) Ozone layer filter out the infrared radiations

C) Chlorofluorocarbons are responsible for ozone layer depletion

D) Greenhouse effect is responsible for global warming

4 / 20

4. The pH range of acid rain is

A) 7-6.5

B) 8-7.5

C) 6.5 - 6

D) less than 5

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5. What adversely affects human health is

A) pollutant

B) Ecosphere

C) atmosphere

D) Ecosystem

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

A) 20000

B) 10000

C) 50000

D) 100000

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

A) Carbon dioxide

B) Sulphur trioxide

C) Oxygen

D) Carbon monoxide

8 / 20

8. Ozone is mostly concentrated in:

A) Mesosphere

B) Thermosphere

C) Stratosphere

D) Troposphere

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

A) Biosphere

B) Hydrosphere

C) Atmosphere

D) Lithosphere

10 / 20

10. The type of contaminants present in leachate is:

A) All

B) Dissolved

C) Microbial

D) Suspended

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11. The third major component of the atmosphere is:

A) N2

B) Ar

C) O2

D) CO2

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

A) Transportation

B) Rapid increase in population

C) Industrialization

D) All of the above

13 / 20

13. Which of the following is a primary pollutant?

A) PAN

B) H2CO3

C) CO

D) H2SO4

14 / 20

14. Ecosystem is a smaller unit of:

A) Lithosphere

B) Atmospheric

C) Hydrosphere

D) Biosphere

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

A) Stratosphere

B) Mesosphere

C) Troposphere

D) Thermosphere

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

A) Troposphere

B) Mesosphere

C) Thermosphere

D) Stratosphere

17 / 20

17. The thickness of the ozone layer is

A) 3km only

B) 25-50km

C) 25-28km

D) 1km only

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18. 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

19 / 20

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

A) CO

B) N2O4

C) NO2

D) CO2

20 / 20

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

A) CO2

B) CFCs

C) CO

D) SO2

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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