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

A) Thermosphere

B) Stratosphere

C) Mesosphere

D) Troposphere

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2. Which of the following is a primary pollutant?

A) PAN

B) CO

C) H2CO3

D) H2SO4

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3. The primary pollutant is that

A) Whose concentration cannot be controlled

B) which causes cancer

C) waste product of an industry

D) which corrode the metal only

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

A) 50000

B) 20000

C) 100000

D) 10000

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5. Identify the wrong statement:

A) Acid rain causes NOx and SOz

B) Chlorofluorocarbons are responsible for ozone layer depletion

C) Greenhouse effect is responsible for global warming

D) Ozone layer filter out the infrared radiations

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6. Ecosystem is a smaller unit of:

A) Biosphere

B) Lithosphere

C) Atmospheric

D) Hydrosphere

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

A) CO

B) CO2

C) CFCs

D) SO2

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

A) Transportation

B) Rapid increase in population

C) Industrialization

D) All of the above

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10. 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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11. The third major component of the atmosphere is:

A) Ar

B) CO2

C) N2

D) O2

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

A) Ears

B) Nose

C) Eyes

D) Stomach

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13. The pH range of acid rain is

A) 6.5 - 6

B) less than 5

C) 7-6.5

D) 8-7.5

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14. Why is CO called a pollutant? Reason is

A) it combines with hemoglobin

B) It inactivates glycolysis

C) It combines with oxygen

D) inactivates nerves

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

A) Troposphere

B) Mesosphere

C) Stratosphere

D) Thermosphere

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16. The type of contaminants present in leachate is:

A) All

B) Dissolved

C) Microbial

D) Suspended

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17. The thickness of the ozone layer is

A) 25-50km

B) 1km only

C) 3km only

D) 25-28km

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18. What adversely affects human health is

A) atmosphere

B) Ecosystem

C) pollutant

D) Ecosphere

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19. Ozone is mostly concentrated in:

A) Stratosphere

B) Troposphere

C) Thermosphere

D) Mesosphere

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

A) Biosphere

B) Atmosphere

C) Hydrosphere

D) Lithosphere

Your score is

2nd Year Chemistry Chapter 16 MCQs Environmental Chemistry

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