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Online Tests
Chemistry 10th Class English Medium Unit 14 Online Test MCQs With Answers
Question # 1
The waste products driven out because of the combustion of fossil fuels.
Choose an answer
Primary pollutant
Secondary pollutant
Tertiary pollutant.
None of them
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Question # 2
The envelope of different gases around the earth is called.
Choose an answer
Atmosphere
Brosphere
Lithosphere
Hydrosphere
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Question # 3
Which gas is emitted due to volcanic eruption?
Choose an answer
CO
2
SO
3
NO
2
H
2
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Question # 4
Normaily rain water is weakly acidic because.
Choose an answer
SO
3
CO
2
CO
3
NO
2
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Question # 5
The range of temperature in burning solid waste burning in incinerators is.
Choose an answer
650
o
C - 1000
o
C
650
o
C - 11000
o
C
1000
o
C - 2000
o
C
650
o
C - 1000
o
C
5000
o
C - 1000
o
C
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Question # 6
75% atmosphere mass lies in how many kilometers.
Choose an answer
11 km
30 km
50 km
85 km
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Question # 7
Ozone is an allotropic form of
Choose an answer
Carbon
Oxygen
Sulphur
Phosphorous
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Question # 8
Which one of the following is not air pollutant.
Choose an answer
CO
2
CO
NO
2
O
2
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Question # 9
Ozone id beneficial for us as it:
Choose an answer
absorbs infrared radiations
absorbs ultraviolet radiation
absorbs chlorofluorocarbons
absorbs air pollutants
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Question # 10
The stratosphere layer is at height above the earth's surface.
Choose an answer
0-12 km
12-50 km
50-85 km
65-120 km
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Question # 11
Mesophere extend forms 50 km to:
Choose an answer
50 km
12 km
60 km
85 km
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Question # 12
The solid particle deposit on the filter paper during filtratin is called.
Choose an answer
Precipitates
Residue
Crystals
All of them
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Question # 13
Which of the following can be used as a fuel?
Choose an answer
Methanol
Ethanol
Bio-diesel
All of them
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