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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Number of discovered element till today are.
Choose an answer
140
118
90
16
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Question # 2
___________ is not mineral acid.
Choose an answer
HCl
CH
3
COOH
H
2
SO
4
HNO
3
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Question # 3
Rapid growth of algae in water bodies is because of detergent having.
Choose an answer
Carbonate salts.
Sulphonic acid salts.
Sulphate salts.
Phosphate salts.
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Question # 4
Which one of the following statements about glucose and sucrose is incorrect.
Choose an answer
Soluble in water
Naturally occuring.
Carbohydrates
Disaccharides
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Question # 5
The most important oligosaccharide is:
Choose an answer
Sucrose
Glucose
Fractose
Maltose
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Question # 6
The elements that do not conduct heat and electricity are called.
Choose an answer
Metallurgy
Non metal
Metalloid
Alloy
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Question # 7
The percentage of ocean in world water is.
Choose an answer
50%
67%
97%
25%
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Question # 8
In an irreversible reaction dynamic equilibrium:
Choose an answer
Never establishes
Established before the completion of reaction
Establishes after the completion of reaction
Establishes readily
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Question # 9
How many % age of nitrogen in urea fertilizers?
Choose an answer
40.6
45.6
46.6
50
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Question # 10
Which helps in lowering of cholesterol level?
Choose an answer
Vitamin
Fiber
Carbohydratres
All of them
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Question # 11
Which element protects teeth from decay?
Choose an answer
Potassium
Fluorine
Sodium
Calcium
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Question # 12
Protein is not found in:
Choose an answer
Muscles
Skin
Cotton
Hair
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Question # 13
If an organic compound has 4 carbon atoms, all singly bonded, it will have the following characteristics except one.
Choose an answer
It will be saturated hydrocarbon
It will hav 8 hydrogen atoms
Its name will be n-butane.
It will be least reactive.
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