Chemistry Past Paper Questions

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Q 1331:The colour of HI is:
A
Orange
B
Purple
C
Red
D
Colourless
Lahore, 2016
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Q 1332:The Nitrogen present in Urea is used by Plants to Synthesize:
A
Sugar
B
Proteins
C
fats
D
DNA
Lahore, 2016
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Q 1333:When Qc < Kc, the reaction goes in:
A
Forward
B
Reverse
C
Equilibrium
D
None of these
Lahore, 2016
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Q 1334:Which gas protects the earth's surface from ultraviolet radiations:
A
CO2
B
CO
C
O3
D
N2
Lahore, 2016
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Q 1335:Thousand of amino acids polymerize to form:
A
Carbohydrates
B
Proteins
C
Lipids
D
Vitamins
Lahore, 2016
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Q 1336:Tyndall effect is shown by:
A
Sugar Solution
B
Paints
C
jelly
D
Chalk Solution
Lahore, 2016
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Q 1337:Uranium has number of isotopes:
A
1
B
3
C
4
D
5
Lahore, 2016
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Q 1338:The number of naturally occurring elements is:
A
92
B
98
C
108
D
114
Lahore, 2016
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Q 1339:The p sub-shel has:
A
One orbital
B
Two orbital
C
Three orbital
D
Four orbital
Lahore, 2016
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Q 1340:The mass of one molecule of H2O is:
A
19 amu
B
18 gm
C
18 mg
D
18 kg
Lahore, 2016
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Total MCQs: 1548Page 134 of 155
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