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10th Class Chemistry Chapter 14 The Atmosphere English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
PAN stands for
Choose an answer
Poly aniline nitrate
Proxy acetyl nitrate
Poly acetyl nitrite
Proxy acetyl nitrite
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Question # 2
The percentage of SO
2
released by the combustion of coal and petroleum product.
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40%
60%
70%
80%
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Question # 3
A strange bitter smell noticed near photocopiers is of:
Choose an answer
SO2
H2S
O2
O3
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Question # 4
Acid rain affects the aquatic life by clogging fish gills because of:
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Lead metal
Chromium metal
Mercury metal
Aluminium metal
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Question # 5
99% of atmosphere consists of .
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N
2
and H
2
N
2
and O
2
N
2
and CO
2
O
2
and CO
2
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Question # 6
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 # 7
Earth has natural systems.
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One
Two
Three
Four
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Question # 8
The smell of photocopies machine is due to the presence of.
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Chlorine gas
Neon gas
Helium gas
Ozone gas.
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Question # 9
The layer above troposphere extend upto 50 kilometers called.
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Mesosphere
Hydrosphere
Stratosphere
Thermosphere
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Question # 10
Mesosphere has a temperature range.
Choose an answer
17
o
C - 58
o
C
58
o
C - 2
o
C
2
o
C - 93
o
C
- 93
o
C
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Question # 11
The major constituents of troposphere are:
Choose an answer
carbon dioxide and argon
nitrogen and oxygen
argon and oxygen
carbon dioxide and oxygen
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Question # 12
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 # 13
About 99% atmosphere's lies within:
Choose an answer
30 kilometre
35 kilometre
15kilometre
11 kilometre
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