Chemistry Past Paper Questions

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Q 1481:Which acid is found in urine?
A
Uric Acid
B
Formic Acid
C
citric acid
D
tartaric acid
Sahiwal, 2016
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Q 1482:Which element has not any neutron in its atom?
A
Hydrogen
B
Oxygen
C
Nitrogen
D
Carbon
Sahiwal, 2016
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Q 1483:The hydrogen bond is represented by:
A
Single line
B
Double line
C
Tripple line
D
Dotted line
Sahiwal, 2016
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Q 1484:The instrument used to measure the pressure in laboratory is
A
Hydrometer
B
Thermometer
C
Manometer
D
Barometer
Sahiwal, 2016
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Q 1485:The lightest metal is:
A
Cesium
B
Lithium
C
Sodium chloride solution
D
Potassium
Sahiwal, 2016
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Q 1486:The most common example of corrosion is:
A
Chemical Decay
B
Rusting of Iron
C
Rusting of aluminium
D
Rusting of tin
Sahiwal, 2016
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Q 1487:The number of periods in modern periodic table is:
A
4
B
5
C
7
D
9
Sahiwal, 2016
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Q 1488:The oxidation number of oxygen in OF2 is:
A
-2
B
+2
C
-1
D
+1
Sahiwal, 2016
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Q 1489:The symbol of silver is:
A
SI
B
S
C
Ag
D
Hg
Sahiwal, 2016
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Q 1490:Transfer of electrons between atoms results in:
A
metallic bonding
B
Ionic bonding
C
covalent bonding
D
Coordinate covalent bonding
Sahiwal, 2016
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Total MCQs: 1548Page 149 of 155
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