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Chemistry 10th Class English Medium Unit 11 Online Test MCQs With Answers
Question # 1
Vital force theory was rejected by.
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Jabir Bin Hayan
Drawin
Wohler
Berzellius
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Question # 2
Who put forward '' the vital force theory''?
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Kolbe
Wohler
Berzellius
Jabir - Bin - Hayan
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Question # 3
General formula of Alkynes is.
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C
6
H
2n-2
C
n
H
2n+2
C
11
H
2n-2
C
n
H
2n-2
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Question # 4
Organic compounds contain:
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ionic bond
Covalent bond
Metallic bond
Co-ordinate covalent
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Question # 5
The functional group -COOH is found in.
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Aldehydes
Esters
Carboxylic acids
alcohols
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Question # 6
Which one contains double covalent bound?
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Pentane
Ethylene
Acetylene
All
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Question # 7
Pitch is black residue of.
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Coke
Coal tar
Coal
Coal gas
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Question # 8
The 1st organic compound prepared in laboratory.
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Urea
NaCl
Thiourea
Pyridine
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Question # 9
Alkyl radical is derivative of
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Alkane
Alkene
Alkyne
All
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Question # 10
Carbon content in coke is.
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80%
98%
70%
88%
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Question # 11
____________ is synthetic fiber.
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Cotton
Woal
Nylon
Silk
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Question # 12
Alkanes are also called:
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olefins
Paraffins
aliphatic compound
cyclic compounds
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Question # 13
Who was prepared acetic acid in laboratory?
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Berzelius
Wohler
Kolbe
Dalton
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