Chemistry Past Paper Questions

Q 1391:Normally rainwater is weakly acidic because of ... gas.
A
SO3
B
CO2
C
SO2
D
NO2
Multan, 2016
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Q 1392:Organic compound is found in gasoline:
A
C2H4
B
C3H8
C
C8H18
D
C12H26q
Multan, 2016
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Q 1393:shell consists of three sub shells.
A
O
B
N
C
L
D
M
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Q 1394:The highest electronegative element is:
A
Fluorine
B
Chlorine
C
Bromine
D
Iodine
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Q 1395:The molar mass of H2SO4 is:
A
98 g
B
98 amu
C
9.8 g
D
9.8 amu
Multan, 2016
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Q 1396:The most reactive metal is:
A
Na
B
Li
C
Cs
D
Ca
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Q 1397:Mendeleev’s periodic table was based upon the:
A
Electronic Configuration
B
Atomic mass
C
Atomic number
D
Completion of Subshell
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Q 1398:Metals can form ions carrying charges:
A
Uni-positive
B
Di-Positive
C
Tri-Positive
D
All of these
Multan, 2016
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Q 1399:Mist is an example of solution:
A
Liquid in gas
B
Gas in liquid
C
Solid in gas
D
Gas in solid
Multan, 2016
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Q 1400:Nelson’s cell is used to prepare caustic soda along with gases. One of the following gas is produced is cathode.
A
Cl2
B
H2
C
O3
D
O2
Multan, 2016
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Total MCQs: 1548Page 140 of 155