Chemistry Past Paper Questions

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Q 1521:Sulphuric acid was prepared by:
A
Alkhawarzmi
B
Ibn-e-hashim
C
Jabir bin Hayan
D
Bu Ali Sine
Sargodha, 2016
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Q 1522:Temporary hardness is removed by the use of:
A
Lime water
B
Lime stone
C
Slaked lime
D
Quick lime
Sargodha, 2016
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Q 1523:Temporary hardness of water is due to:
A
Ca(HCO3)2
B
CaCO3
C
MgCO3
D
MgSO4
Sargodha, 2016
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Q 1524:The order of reactivity of hydrogen halides with alkenes is:
A
HI > HBr
B
HBr > HI
C
HCl > HBr
D
HBr < HCl
Sargodha, 2016
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Q 1525:The organic compounds used as drugs to control bleeding are:
A
Vitamins
B
Proteins
C
Lipids
D
Glycerides
Sargodha, 2016
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Q 1526:Thousand of amino acids to form polymers:
A
Carbohydrates
B
Proteins
C
Lipids
D
Vitamins
Sargodha, 2016
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Q 1527:The boiling point of water is:
A
0oC
B
60oC
C
100oC
D
120oC
Sargodha, 2016
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Q 1528:The bond formed between two non metals is expected to be:
A
Covalent bond
B
Ionic bond
C
Coordinate covalent bond
D
Metallic bond
Sargodha, 2016
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Q 1529:The distance between the nuclei of two carbon atom is:
A
115 pm
B
110 pm
C
140 pm
D
154 pm
Sargodha, 2016
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Q 1530:The most common example of corrosion is:
A
Rusting of tin
B
Rusting of Aluminium
C
rusting of iron
D
Chemical decay
Sargodha, 2016
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Total MCQs: 1548Page 153 of 155
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