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

493

2nd Year Chemistry Chapter 16

1 / 20

1. The pH range of acid rain is

A) 8-7.5

B) 6.5 - 6

C) less than 5

D) 7-6.5

2 / 20

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

A) Mesosphere

B) Troposphere

C) Thermosphere

D) Stratosphere

3 / 20

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

A) SO2

B) CFCs

C) CO2

D) CO

4 / 20

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

A) 50000

B) 100000

C) 20000

D) 10000

5 / 20

5. Ecosystem is a smaller unit of:

A) Hydrosphere

B) Atmospheric

C) Biosphere

D) Lithosphere

6 / 20

6. Which of the following is a primary pollutant?

A) H2SO4

B) H2CO3

C) CO

D) PAN

7 / 20

7. 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

8 / 20

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

A) Transportation

B) Industrialization

C) All of the above

D) Rapid increase in population

9 / 20

9. What adversely affects human health is

A) pollutant

B) Ecosphere

C) atmosphere

D) Ecosystem

10 / 20

10. The third major component of the atmosphere is:

A) CO2

B) O2

C) Ar

D) N2

11 / 20

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

A) Nose

B) Stomach

C) Ears

D) Eyes

12 / 20

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

A) Atmosphere

B) Biosphere

C) Hydrosphere

D) Lithosphere

13 / 20

13. 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

14 / 20

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

A) Mesosphere

B) Stratosphere

C) Thermosphere

D) Troposphere

15 / 20

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

A) Oxygen

B) Carbon monoxide

C) Carbon dioxide

D) Sulphur trioxide

16 / 20

16. Ozone is mostly concentrated in:

A) Mesosphere

B) Troposphere

C) Stratosphere

D) Thermosphere

17 / 20

17. The thickness of the ozone layer is

A) 3km only

B) 25-50km

C) 1km only

D) 25-28km

18 / 20

18. 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

19 / 20

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

A) NO2

B) CO2

C) N2O4

D) CO

20 / 20

20. The type of contaminants present in leachate is:

A) Dissolved

B) Microbial

C) All

D) Suspended

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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