Chemistry Past Paper Questions

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Q 1301:A complete reaction in which:
A
All the reactants convert into products
B
All the reactions do not convert into products
C
Half reactants convert into products
D
Only 10% reactants convert into products
Lahore, 2016
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Q 1302:Who discovered atomic number?
A
Dalton
B
Rutherford
C
Bohr
D
Mosely
Gujranwala, 2016
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Q 1303:Which one of the following molecules is not triatomic?
A
H2
B
O3
C
H2O
D
CO2
Gujranwala, 2016
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Q 1304:Which one of the following elements is not found in normal periods?
A
Boron
B
Helium
C
Carbon
D
Nitrogen
Gujranwala, 2016
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Q 1305:Which one is not the fraction of residual oil?
A
Paraffin wax
B
Asphalt
C
Fuel oil
D
Coke
Gujranwala, 2016
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Q 1306:Which one of the following compounds is ketone?
A
(CH3)2CHOH
B
(CH3)2CO
C
(CH3)2NH
D
(CH3)2CHCl
Gujranwala, 2016
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Q 1307:Which one of the following is Lewis base?
A
NH3
B
BF3
C
H+
D
AlCl3
Gujranwala, 2016
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Q 1308:Which one of these is a saturated hydrocarbon?
A
C2H4
B
C3H6
C
C4H8
D
C5H12
Gujranwala, 2016
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Q 1309:Which one vitamin is water soluble?
A
Vitamin A
B
Vitamin C
C
Vitamin D
D
Vitamin E
Gujranwala, 2016
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Q 1310:Which salt makes water permanently hard?
A
Na2CO3
B
NaHCO3
C
Na2CO2
D
CaSO4
Gujranwala, 2016
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Total MCQs: 1548Page 131 of 155
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