Chemistry Past Paper Questions

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Q 701:Which one of the following is no a fraction of petroleum?
A
Kerosin oil
B
Diesel Oil
C
Alcohols
D
Petrol
Rawalpindi, 2018
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Q 702:.......is used as drying agent for gases
A
Na2SiO3
B
CaO
C
NaCl
D
CaCO3
Sahiwal, 2018
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Q 703:Acid rain affects the aquatic life by clogging fish gills due to:
A
Aluminum
B
Mercury
C
Chromium
D
Lead
Sahiwal, 2018
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Q 704:Acid used for flavoring of food is:
A
Acetic acid
B
Benzoic acid
C
Nitric acid
D
Sulphuric acid
Sahiwal, 2018
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Q 705:Crude oil is heated in furnace up to:
A
450 oC
B
400 oC
C
350 oC
D
300 oC
Sahiwal, 2018
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Q 706:Deficiency of Vitamin D causes disease:
A
Rickets
B
Scurvy
C
Night blindness
D
Anemia in babies
Sahiwal, 2018
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Q 707:Dehydration of alcohol is carried out with
A
HCl
B
H2SO4
C
KOH
D
NaOH
Sahiwal, 2018
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Q 708:A bond formed between two non-metals is expected to be
A
Metallic
B
Ionic
C
Covalent
D
coordinate covalent
Sahiwal, 2018
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Q 709:A good example of homogeneous mixture is
A
Soil
B
Rock
C
Wood
D
Icecream
Sahiwal, 2018
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Q 710:A good example of non electrolyte is
A
Sugar Solution
B
Solution of NaCl
C
solution of NaOH
D
Solution of H2SO4
Sahiwal, 2018
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Total MCQs: 1548Page 71 of 155
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