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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The reaction goes from left to right , if:
Choose an answer
Qc = Kc
Qc > kc
Qc<Kc
Qc = 0
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Question # 2
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 # 3
Halogenation of alkanes in the presence of diffused sunlight takes place.
Choose an answer
Suddenly, only in one step
Slowly in one step
In a series of step
Fastly in two steps
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Question # 4
Water molecule show structure.
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Tetrahedral
Trigonal
Pentagonal
All of them
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Question # 5
Petroleum is refined by
Choose an answer
Destructive distillation
Fractional distillation
Simple distillations
Dry distillation
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Question # 6
What is pOH of 0.01 M solution of KOH?
Choose an answer
3
11
2
4
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Question # 7
Which carbohydrate is used directly by muscles for energy?
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Galactose
Lactos
Glucose
Fructose
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Question # 8
The percentage of protein in dry weight of cell.
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20%
40%
50%
70%
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Question # 9
The sphere just above the Earth's surface is.
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Mescosphere
Stratosphere
Thermosphere
Troposphere
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Question # 10
According to Bronsted and Lowry concept an acid is a substance that can donate.
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Proton
Electron pair
Neutron
Electron
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Question # 11
Incinerator reduces solid waste into .
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Ash
Flue gas
Heat
All of them
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Question # 12
Potassium Ferrocyanide is a:
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Normal salt
Mixed salt
Complex salt
Double salt
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Question # 13
What is the percentage of carbon in anthracite?
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60%
70%
80%
90%
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