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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Dextrose is a crystallized:
Choose an answer
sucrose
lactose
glucose
fructose
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Question # 2
Urea is nitrogenous fertilizer. It consist of nitrogen.
Choose an answer
26.6 %
36.6%
46.6%
56.6%
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Question # 3
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 # 4
According to Arrhenius concept acid is a substance which dissociates in aqueous solution to give.
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Hydrogen ions
Hydroxide ions
Both a and b
None of these
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Question # 5
Which gas is produce by the electrical lightening of air.
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NO
SO
2
SO
3
CO
2
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Question # 6
Marsh gas is mostly consisted of.
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Butane
Propane
Ethane
Methane
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Question # 7
Boiling point of alcohol in centigrade is.
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68
78
118
128
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Question # 8
For which reaction Kf is the rate constant?
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Forward reaction
Backward reaction
Upward reaction
Downward reaction
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Question # 9
Which is disaccharide?
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Glucose
Fructose
Sucrose
Starch
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Question # 10
Acids turn
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Blue litmus red
Red litmus blue
Blue litmus green
Blue litmus blue
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Question # 11
The solid particle deposit on the filter paper during filtratin is called.
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Precipitates
Residue
Crystals
All of them
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Question # 12
Mercury poisoning cause:
Choose an answer
neurological damage
high blood pressure
kidney damage
gastro
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Question # 13
Which of the following is the hardest coal?
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Pear
Lignite
Bituminous
Anthracite
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