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Online Tests
Chemistry 10th Class English Medium Unit 11 Online Test MCQs With Answers
Question # 1
Aromatic compounds are given this name because of;
Choose an answer
smell they have
slippery touch they have
bitter taste they have
sour taste they have
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Question # 2
In which of the following groups , oxygen is attached on both sides with carbon atoms.
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Ketone group
Ether group
Aldehyde group
Easter group
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Question # 3
Which one of the following is a synthetic fiber:
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cotton
wool
nylon
silk
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Question # 4
Which one of the following does not contain starch
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Sugar cane
Maize
Barley
Potatoes
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Question # 5
The strong heating of coal in the absence of air called.
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Fractional Distilation
Destructive Distiation
Carbonization
Catenation
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Question # 6
Carbonization process is the conversion of
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Coal into coal gas
Coal into wood
Wood into coal
Wood into coal tar
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Question # 7
The example of heterocyclic compound is.
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Benzene
Hexane
Cyclohexane
Pyridine
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Question # 8
In laboratory urea was prepared by
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Wohler
Rutherford
Berzelius
Dalton
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Question # 9
The strong heating of coal in retoris in the absence of air is called.
Choose an answer
Fractional distillation
Sublimation
Roasting
Destructive distillation
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Question # 10
The % age of carbon is coal is
Choose an answer
40-60
50-70
40-80
40-90
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Question # 11
Coal having 90% carbon contents is called.
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Peat
Lignite
anthracite
bituminous
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Question # 12
General formula of Alkyl radical is..
Choose an answer
C
6
H
2n-2
C
n
H
2n+2
C
11
H
2n-1
C
n
H
2n-2
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Question # 13
Silicon occurs in the form of
Choose an answer
Silica
Silicates
both a and b
None of these
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