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

461

2nd Year Chemistry Chapter 16

1 / 20

1. The third major component of the atmosphere is:

A) Ar

B) CO2

C) N2

D) O2

2 / 20

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

A) CO2

B) SO2

C) CFCs

D) CO

3 / 20

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

A) CO2

B) CO

C) N2O4

D) NO2

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

A) Carbon monoxide

B) Sulphur trioxide

C) Carbon dioxide

D) Oxygen

5 / 20

5. 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

6 / 20

6. 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

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

A) Mesosphere

B) Stratosphere

C) Troposphere

D) Thermosphere

8 / 20

8. What adversely affects human health is

A) Ecosystem

B) atmosphere

C) pollutant

D) Ecosphere

9 / 20

9. Ozone is mostly concentrated in:

A) Troposphere

B) Mesosphere

C) Thermosphere

D) Stratosphere

10 / 20

10. Ecosystem is a smaller unit of:

A) Atmospheric

B) Lithosphere

C) Biosphere

D) Hydrosphere

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

A) 10000

B) 20000

C) 50000

D) 100000

12 / 20

12. The thickness of the ozone layer is

A) 25-28km

B) 3km only

C) 25-50km

D) 1km only

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13. The type of contaminants present in leachate is:

A) Dissolved

B) All

C) Suspended

D) Microbial

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

A) Stomach

B) Nose

C) Eyes

D) Ears

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

A) Biosphere

B) Atmosphere

C) Lithosphere

D) Hydrosphere

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16. The primary pollutant is that

A) Whose concentration cannot be controlled

B) which causes cancer

C) waste product of an industry

D) which corrode the metal only

17 / 20

17. The pH range of acid rain is

A) less than 5

B) 6.5 - 6

C) 7-6.5

D) 8-7.5

18 / 20

18. Why is CO called a pollutant? Reason is

A) It inactivates glycolysis

B) inactivates nerves

C) It combines with oxygen

D) it combines with hemoglobin

19 / 20

19. Which of the following is a primary pollutant?

A) H2SO4

B) CO

C) H2CO3

D) PAN

20 / 20

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

A) Thermosphere

B) Mesosphere

C) Troposphere

D) Stratosphere

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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