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Online Tests
Chemistry 10th Class English Medium Unit 14 Online Test MCQs With Answers
Question # 1
On which base atmosphere is divided into four regions?
Choose an answer
Change in pressure
Change in rediation
Change in temperature
Change in volume
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Question # 2
At the height 880120 km from earth's surface is.
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Troposphere
Mesosphere
Stratosphere
Thermosphere
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Question # 3
Which one of the following is not air pollutant.
Choose an answer
CO
2
CO
NO
2
O
2
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Question # 4
Atmospheric region found between 50-58 km from the earthis.
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Thermosphere
Stratosphere
Mesophere
Thermosphere
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Question # 5
The formula of ozone is.
Choose an answer
O
2
O
3
O
CO
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Question # 6
Fossil fuel means.
Choose an answer
Coal
Petroleum
Natural gas
All of them
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Question # 7
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 # 8
How much amount of sunlight reaches up to earth and absorbed:
Choose an answer
26%
32%
50%
18%
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Question # 9
Acid rain damages the building it is due to reaction on.
Choose an answer
Calcium sulphate
Calcium nitrate
Calcium carbonate
Calcium oxilat
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Question # 10
Forest fires and burning of wood emit.
Choose an answer
CO
2
NO
2
SO
2
Cl
2
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Question # 11
Cause of global warming is :
Choose an answer
CO
2
gas
SO
2
gas
NO
2
gas
O
2
gas
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Question # 12
Which is not a part of flue gas?
Choose an answer
Furans
Dioxins
HCl
H
2
SO
4
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Question # 13
Which gas is produce by the electrical lightening of air.
Choose an answer
NO
SO
2
SO
3
CO
2
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