Environmental Chemistry AFCAT Questions

AFCAT Chemistry

Environmental Chemistry MCQ Questions


1.
Environmental chemistry deals with:
A.
Manufacturing of chemicals
B.
Study of organic compounds only
C.
Industrial processes only
D.
Study of chemical species in the environment and their effects
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ANSWER :
D. Study of chemical species in the environment and their effects
2.
Which of the following is NOT a segment of the environment?
A.
Lithosphere
B.
Hydrosphere
C.
Industriosphere
D.
Atmosphere
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ANSWER :
C. Industriosphere
3.
Environmental pollution is defined as:
A.
Increase in human population
B.
Deforestation only
C.
Use of chemicals in agriculture
D.
Undesirable change in physical, chemical or biological characteristics of air, water, or soil
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ANSWER :
D. Undesirable change in physical, chemical or biological characteristics of air, water, or soil
4.
A substance that causes pollution is called:
A.
Reactant
B.
Catalyst
C.
Pollutant
D.
Solvent
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ANSWER :
C. Pollutant
5.
The lowest layer of the atmosphere is:
A.
Stratosphere
B.
Mesosphere
C.
Thermosphere
D.
Troposphere
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ANSWER :
D. Troposphere
6.
The ozone layer is mainly found in the:
A.
Troposphere
B.
Thermosphere
C.
Mesosphere
D.
Stratosphere
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ANSWER :
D. Stratosphere