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

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

A) Troposphere

B) Thermosphere

C) Stratosphere

D) Mesosphere

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2. The type of contaminants present in leachate is:

A) Dissolved

B) All

C) Suspended

D) Microbial

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3. The primary pollutant is that

A) waste product of an industry

B) which corrode the metal only

C) Whose concentration cannot be controlled

D) which causes cancer

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4. Ozone is mostly concentrated in:

A) Stratosphere

B) Thermosphere

C) Troposphere

D) Mesosphere

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

A) 100000

B) 20000

C) 10000

D) 50000

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

A) Lithosphere

B) Hydrosphere

C) Atmosphere

D) Biosphere

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

A) SO2

B) CFCs

C) CO2

D) CO

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

A) Troposphere

B) Stratosphere

C) Thermosphere

D) Mesosphere

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

A) Nose

B) Stomach

C) Ears

D) Eyes

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10. 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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11. Identify the wrong statement:

A) Acid rain causes NOx and SOz

B) Greenhouse effect is responsible for global warming

C) Ozone layer filter out the infrared radiations

D) Chlorofluorocarbons are responsible for ozone layer depletion

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12. The third major component of the atmosphere is:

A) Ar

B) O2

C) CO2

D) N2

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

A) Carbon dioxide

B) Carbon monoxide

C) Sulphur trioxide

D) Oxygen

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14. The thickness of the ozone layer is

A) 25-28km

B) 1km only

C) 3km only

D) 25-50km

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

A) N2O4

B) CO2

C) NO2

D) CO

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

A) All of the above

B) Rapid increase in population

C) Transportation

D) Industrialization

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17. 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

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18. Which of the following is a primary pollutant?

A) PAN

B) CO

C) H2CO3

D) H2SO4

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19. Ecosystem is a smaller unit of:

A) Biosphere

B) Hydrosphere

C) Lithosphere

D) Atmospheric

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20. What adversely affects human health is

A) Ecosphere

B) pollutant

C) Ecosystem

D) atmosphere

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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