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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The bond in the product of lewis acid base reaction.
Choose an answer
Ionic
Covalent
Metallic
Coordinate covalent
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Question # 2
In smelting process a small amount of coke is required because:
Choose an answer
it is highly endothermic process
it is highly exothermic process
it is very fast process
it is very slow process
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Question # 3
Which one is not an Arrhenius base?
Choose an answer
NaOH
KOH
Ca(OH)
2
NH
3
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Question # 4
The base which is used in alkaline batteries is.
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NaOH
Al(OH)
2
KOH
Mg(OH)
2
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Question # 5
Permanent hardness is removed by adding.
Choose an answer
Na
2
zeolite.
Soda lime
Lime water
Quick lime
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Question # 6
Example of complex salt is.
Choose an answer
Zinc sulphate
Potash alum
Potassium ferrocynide
Sodium Phosphate
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Question # 7
Which one of the following organic compound is found is gasoline?
Choose an answer
C
2
H
4
C
3
H
8
C
7
H
10
C
12
H
26
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Question # 8
Which hepatitis is caused by contaminated water?
Choose an answer
Hepatitis A
Hepatitis B
Hepatitis C
Hepatitis D
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Question # 9
The value of constant of ionic product of water Kw at 25 C.
Choose an answer
1.0 x 10
-4
1.0 x 10
14
1.0 x 10
-4
1.0 x 10
4
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Question # 10
The order of reactivity of hydrogen halides with alkenes is.
Choose an answer
HI>HBr
HBr>HI
HCl>HBr
HBr < HCl
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Question # 11
The value of K
c
depends on.
Choose an answer
Temperature
Pressure
Volume
Atmosphere
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Question # 12
Dehydration of alcohols can be carried out with.
Choose an answer
NaOH
KOH
H
2
SO
4
HCl
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Question # 13
Which one of the followoing is the Hardest coal.
Choose an answer
Peat
Lignite
Bituminous
Anthracite
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