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. 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

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

A) Hydrosphere

B) Biosphere

C) Lithosphere

D) Atmosphere

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

A) Troposphere

B) Thermosphere

C) Mesosphere

D) Stratosphere

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4. Which of the following is a primary pollutant?

A) CO

B) PAN

C) H2CO3

D) H2SO4

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

A) Nose

B) Ears

C) Stomach

D) Eyes

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

A) SO2

B) CO2

C) CFCs

D) CO

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7. Ecosystem is a smaller unit of:

A) Biosphere

B) Hydrosphere

C) Atmospheric

D) Lithosphere

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

A) N2O4

B) CO

C) NO2

D) CO2

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9. The pH range of acid rain is

A) 7-6.5

B) 6.5 - 6

C) 8-7.5

D) less than 5

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

A) 100000

B) 20000

C) 50000

D) 10000

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11. What adversely affects human health is

A) pollutant

B) Ecosystem

C) Ecosphere

D) atmosphere

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12. The third major component of the atmosphere is:

A) N2

B) Ar

C) CO2

D) O2

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13. Ozone is mostly concentrated in:

A) Thermosphere

B) Mesosphere

C) Troposphere

D) Stratosphere

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14. The type of contaminants present in leachate is:

A) Suspended

B) Dissolved

C) Microbial

D) All

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15. The primary pollutant is that

A) which causes cancer

B) which corrode the metal only

C) Whose concentration cannot be controlled

D) waste product of an industry

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16. The thickness of the ozone layer is

A) 25-50km

B) 1km only

C) 3km only

D) 25-28km

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

A) Stratosphere

B) Thermosphere

C) Mesosphere

D) Troposphere

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

A) Sulphur trioxide

B) Carbon monoxide

C) Carbon dioxide

D) Oxygen

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19. Identify the wrong statement:

A) Ozone layer filter out the infrared radiations

B) Greenhouse effect is responsible for global warming

C) Acid rain causes NOx and SOz

D) Chlorofluorocarbons are responsible for ozone layer depletion

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20. Why is CO called a pollutant? Reason is

A) It combines with oxygen

B) it combines with hemoglobin

C) inactivates nerves

D) It inactivates glycolysis

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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