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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
75% atmosphere mass lies in how many kilometers.
Choose an answer
11 km
30 km
50 km
85 km
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Question # 2
Carbon content in coke is.
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80%
98%
70%
88%
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Question # 3
The number of carbon atoms present in diesel oil.
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10-15
11-15
12-15
13-15
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Question # 4
The reduction of alkyl halides takes place in the presence of
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Zn/HCl
Na/HCl
Mg/HCl
Cu/HCl
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Question # 5
Which one contains triple covalent bond?
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Pentane
Ethylene
Acetylene
All
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Question # 6
Cause of diarrhoea among following is:
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Diarrhea
Cholera
Cryptosporidium
Typhoid
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Question # 7
In the bessemerization process.
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Roasted ore is beated.
Molten matte is removed.
Molten matte is heated
Molten matte is added
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Question # 8
Coal is the mixture of
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Hydrogen
Methane
Carbon monoxide
All
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Question # 9
Which one is homocyclic compound?
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Benzene
Cyclobutane
Cyclohexane
All
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Question # 10
The gas used by animals to perform respiration.
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O
2
N
2
SO
2
Cl
2
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Question # 11
Effects of ozone depletion are following except the one.
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Increases infectious diseases
Increases crops production
Can cause skin cancer
Can cause climatic changes.
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Question # 12
Which chemical is called king of chemicals?
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KNO
3
H
2
SO
4
HCl
NHO
3
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Question # 13
The % age of carbon is coal is
Choose an answer
40-60
50-70
40-80
40-90
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