Chemistry Past Paper Questions

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Q 1501:Who proposed the name of vitamin?
A
Funk
B
Watson
C
F. Crick
D
Lewis
Sahiwal, 2016
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Q 1502:At dynamic equilibrium:
A
reaction stops to proceed
B
amounts of reactants and products are unequal
C
rate of forward and reverse reactions is equal
D
reaction can no longer be reversed
Sargodha, 2016
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Q 1503:Formula of urea is:
A
NH2CONH2
B
NH2CONH
C
NH2COONH2
D
NH2COONH4
Sargodha, 2016
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Q 1504:A reaction in which products recombine to form reactants is called:
A
Reversible reaction
B
Irreversible reaction
C
Forward reaction
D
Backwrd reaction
Sargodha, 2016
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Q 1505:All transition elements are
A
All gases
B
All metals
C
all non metals
D
All metalloids
Sargodha, 2016
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Q 1506:Anode of down's cell is made of:
A
Graphite
B
Zinc
C
Copper
D
Steel
Sargodha, 2016
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Q 1507:Atomic number of element is expressed by the letter
A
Q
B
Z
C
N
D
O
Sargodha, 2016
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Q 1508:Deuterium is used to make
A
light water
B
Heavy water
C
Soft water
D
Hard water
Sargodha, 2016
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Q 1509:Example of diatomic molecule is:
A
CO2
B
HCl
C
H2O
D
O3
Sargodha, 2016
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Q 1510:4th and 5th period of the long form of the periodic table are called:
A
Short periods
B
Normal periods
C
Long period
D
Very long periods
Sargodha, 2016
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Total MCQs: 1548Page 151 of 155
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