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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Amino acid are linked to each other through.
Choose an answer
Hydrogen link
Ionic link
Gelatin link
Peptide link
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Question # 2
Which is not an air pollutant?
Choose an answer
CO
2
CO
SO
2
NH
3
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Question # 3
the removal of which ion causes water softening.
Choose an answer
Na
+
Mg
2
Li
+
K
+
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Question # 4
Which one of the following is manufactured by Solvar's process:
Choose an answer
caustic soda
washing soda
urea
sulphuric acid
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Question # 5
Which one of the following are amorphous solids?
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Monosacchrides
Oligosaccharides
Polysaccharides
All of them
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Question # 6
Which disease cause by deficiency of vitamin D?
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Rickets
Anemia in babies
Scurvy
Night blindness
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Question # 7
Eye inflammation is caused by the deficiency of vitamin.
Choose an answer
Vitamin D
Vitamin C
Vitamin B
Vitamin A
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Question # 8
The major constituents of troposphere are:
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carbon dioxide and argon
nitrogen and oxygen
argon and oxygen
carbon dioxide and oxygen
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Question # 9
General formula of carbohydrate is.
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C
n
(H
2
O)
6
CH
C
n
H
2n
C
6
H
2n
O
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Question # 10
Swimming pools are cleaned by a process:
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Hydrogenation
Bromination
Chlorination
Nitration
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Question # 11
Which colour of HI is ?
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Orange
Purple
Red
Colourless
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Question # 12
Ammonia is prepared by:
Choose an answer
Solvay's process
Haber's process
Floatation process
Bayer's process
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Question # 13
Acetic acid is used for:
Choose an answer
Elching designs
Clearing metals
Flavouring food
Making explosives
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