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

453

2nd Year Chemistry Chapter 16

1 / 20

1. The pH range of acid rain is

A) 7-6.5

B) 6.5 - 6

C) less than 5

D) 8-7.5

2 / 20

2. The primary pollutant is that

A) waste product of an industry

B) which causes cancer

C) Whose concentration cannot be controlled

D) which corrode the metal only

3 / 20

3. 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

4 / 20

4. The third major component of the atmosphere is:

A) CO2

B) O2

C) N2

D) Ar

5 / 20

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

A) Rapid increase in population

B) Transportation

C) Industrialization

D) All of the above

6 / 20

6. Ecosystem is a smaller unit of:

A) Hydrosphere

B) Biosphere

C) Atmospheric

D) Lithosphere

7 / 20

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

A) Mesosphere

B) Troposphere

C) Stratosphere

D) Thermosphere

8 / 20

8. Which of the following is a primary pollutant?

A) H2SO4

B) PAN

C) CO

D) H2CO3

9 / 20

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

A) 100000

B) 20000

C) 10000

D) 50000

10 / 20

10. The type of contaminants present in leachate is:

A) Microbial

B) Suspended

C) Dissolved

D) All

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

A) Sulphur trioxide

B) Carbon monoxide

C) Oxygen

D) Carbon dioxide

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

A) SO2

B) CO

C) CO2

D) CFCs

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13. Ozone is mostly concentrated in:

A) Stratosphere

B) Troposphere

C) Thermosphere

D) Mesosphere

14 / 20

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

A) Eyes

B) Ears

C) Nose

D) Stomach

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

A) Atmosphere

B) Hydrosphere

C) Lithosphere

D) Biosphere

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16. Why is CO called a pollutant? Reason is

A) inactivates nerves

B) It combines with oxygen

C) it combines with hemoglobin

D) It inactivates glycolysis

17 / 20

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

A) Mesosphere

B) Stratosphere

C) Troposphere

D) Thermosphere

18 / 20

18. What adversely affects human health is

A) pollutant

B) Ecosphere

C) Ecosystem

D) atmosphere

19 / 20

19. The thickness of the ozone layer is

A) 25-28km

B) 3km only

C) 25-50km

D) 1km only

20 / 20

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

A) CO

B) N2O4

C) NO2

D) CO2

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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