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

457

2nd Year Chemistry Chapter 16

1 / 20

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

A) Biosphere

B) Hydrosphere

C) Lithosphere

D) Atmosphere

2 / 20

2. The thickness of the ozone layer is

A) 25-28km

B) 3km only

C) 1km only

D) 25-50km

3 / 20

3. 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

4 / 20

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

A) Oxygen

B) Sulphur trioxide

C) Carbon dioxide

D) Carbon monoxide

5 / 20

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

A) All of the above

B) Transportation

C) Industrialization

D) Rapid increase in population

6 / 20

6. Which of the following is a primary pollutant?

A) PAN

B) CO

C) H2CO3

D) H2SO4

7 / 20

7. Identify the wrong statement:

A) Ozone layer filter out the infrared radiations

B) Greenhouse effect is responsible for global warming

C) Chlorofluorocarbons are responsible for ozone layer depletion

D) Acid rain causes NOx and SOz

8 / 20

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

A) Stomach

B) Nose

C) Eyes

D) Ears

9 / 20

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

A) Mesosphere

B) Stratosphere

C) Troposphere

D) Thermosphere

10 / 20

10. Ecosystem is a smaller unit of:

A) Hydrosphere

B) Biosphere

C) Lithosphere

D) Atmospheric

11 / 20

11. The primary pollutant is that

A) waste product of an industry

B) which causes cancer

C) which corrode the metal only

D) Whose concentration cannot be controlled

12 / 20

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

A) 20000

B) 10000

C) 100000

D) 50000

13 / 20

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

A) CFCs

B) CO2

C) SO2

D) CO

14 / 20

14. The pH range of acid rain is

A) 8-7.5

B) 7-6.5

C) 6.5 - 6

D) less than 5

15 / 20

15. What adversely affects human health is

A) Ecosphere

B) atmosphere

C) Ecosystem

D) pollutant

16 / 20

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

A) NO2

B) N2O4

C) CO

D) CO2

17 / 20

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

A) Stratosphere

B) Troposphere

C) Thermosphere

D) Mesosphere

18 / 20

18. Ozone is mostly concentrated in:

A) Mesosphere

B) Troposphere

C) Stratosphere

D) Thermosphere

19 / 20

19. The type of contaminants present in leachate is:

A) Microbial

B) Suspended

C) All

D) Dissolved

20 / 20

20. The third major component of the atmosphere is:

A) CO2

B) Ar

C) O2

D) N2

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

Related Articles

2nd Year Chemistry Chapter 14 MCQs

2nd Year Chemistry Chapter 13 MCQs

2nd Year Chemistry Chapter 11 MCQs

Post Comment Cancel reply