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Online Tests
Chemistry 10th Class English Medium Online Test MCQs With Answers
Question # 1
Out of twenty how many amino acids can by synthesized by human body?
Choose an answer
Five
Ten
Seven
Twelve
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Question # 2
Which gas is produce by the electrical lightening of air.
Choose an answer
NO
SO
2
SO
3
CO
2
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Question # 3
Main component of natural gas is
Choose an answer
Methane
Propane
Butane
Propene
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Question # 4
Pentahydroxy ketone is called as:
Choose an answer
Glucose
Fructose
Starch
Sucross
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Question # 5
Halogenation of methane produces following valuable chemical compounds used as solvents except.
Choose an answer
Carbonterachloride
Chloroform
Carbon Black
Chloromethane
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Question # 6
Monosaccharides are crystalline solids
Choose an answer
Grey
Crimson
Silver
White
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Question # 7
Photosynthesis process produces.
Choose an answer
Starch
Cellulose
Sucrose
Glucose
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Question # 8
Which hydrocarbon decolorizes the pink colour of acidic solution of potassium permanganate?
Choose an answer
CH
4
C
2
H
4
C
2
H
6
C
2
H
5
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Question # 9
___________ is not green house effect.
Choose an answer
Increase of food chain
increase atmospheric pressure
Increase of sea level
Increase of flood risks
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Question # 10
The bond angle between H-O-H in water is:
Choose an answer
104.5
o
104.6
o
104.7
o
104.8
o
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Question # 11
The nitrogen present in urea is used by plants to synthesize.
Choose an answer
Sugar
Proteins
Fats
DNA
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Question # 12
The % age of carbon is lignite is
Choose an answer
60
70
80
90
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Question # 13
Chemical formula of amino group is
Choose an answer
NH
3
NH
2
NH
4
COOH
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