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Online Tests
PPSC Chemistry Part V Environmental Chemistry Online Test MCQs With Answers
Question # 1
Major principle underlying the sustainability of natural ecosystems is that they run on.
Choose an answer
Electric energy
Solar energy
Wind energy
None of the above
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Question # 2
Which of the following is domain of industrial ecology.
Choose an answer
The materials extractor
The materials processor
The consumer
All of above
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Question # 3
Chief source of water and soil pollution in
Choose an answer
Mining of ores
Thermal power plant
Agro industry
All the above
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Question # 4
Which of the following acids acts as acid waste from coal mines.
Choose an answer
HCl
HNO3
CH3COOH
H3PO4
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Question # 5
The unit of sound pressure level is
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Pascal
Decibel
Newton
Ampere
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Question # 6
Which of the following health effect is caused by lead.
Choose an answer
Cancer
Neurotoxin
Hypertension
Kidney damage
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Question # 7
Which of the following statement is not correct with respect to hardness of water.
Choose an answer
It is due to soluble salts of Na
it is due to soluble salts of Ca
It is due to soluble salts of Mg
It is due to soluble salts of Fe
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Question # 8
Which of the following health effect is caused by mercury.
Choose an answer
Nerve damage
Brain damage
Kidney damage
All above
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Question # 9
The hardness of water i s due to the presence of dissolved soluble salts of.
Choose an answer
Calcium
Megnesium
Iron
All above
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Question # 10
Ground water is threatened with pollution from which of the following source.
Choose an answer
Domestic wastes
Industrial wastes
Agricultural wastes
All above
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Question # 11
Peeling of ozone umbrella is due to.
Choose an answer
CFCa
PAN
CO2
Coal burning
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Question # 12
The expected specific waste of paper and allied products industry is.
Choose an answer
Chemicals
Paper and fibre residues
Links
All above
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Question # 13
Which of the following chemical strong oxidizing agent is used in COD test.
Choose an answer
KMnO4
H2SO4
CH3COOH
K2Cr2O7
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Question # 14
Carbon dioxide content in atmosphere is
Choose an answer
0.0034%
0.034 %
0.34 %
3.4 %
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Question # 15
The presence of which of the following in drinking water is responsible for mottling of teach.
Choose an answer
Mercury
Iodine
Chlorine
Flourine
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Question # 16
Commercial incinerators produce.
Choose an answer
Smoke
CO
NOx
All above
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Question # 17
Which of the following is renewable energy source.
Choose an answer
Moon
Wind
Sun
Ocean
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Question # 18
Which of the following is an important aspect of industrial ecology.
Choose an answer
Minimising air emissions
Minimising liquid waste
Recycling after use
All above
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Question # 19
Which of the following statement represent advantages of sanitary Landfill
Choose an answer
Economical method
Low initial investment
Flexible daily capacity
All above
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Question # 20
Acid rain is caused due to increase in the concentration of _______ in the atmosphere
Choose an answer
Ozone and dust
CO2 and CO
SO3 and CO
SO2 and NO2
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Question # 21
The most harmful components of incomplete combination are generally groped as particulate polyclic matter organic (PPOM) These materials are derivatives of .
Choose an answer
Benzene
Naphthalene
Benz a pyrene
None of the above
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