Chemistry Past Paper Questions

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Q 611:____ is used for flavouring food.
A
Acetic acid
B
Benzoic acid
C
Hydrochloric acid
D
Nitric acid
Multan, 2018
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Q 612:_____ catalyst is used for the hydrogenation of vegetable oil:
A
Al
B
Cu
C
Ni
D
Pb
Multan, 2018
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Q 613:_____ is a Disaccharide.
A
Glucose
B
Fructose
C
Sucrose
D
Starch
Multan, 2018
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Q 614:_____ is a secondary pollutant
A
SO2
B
CO2
C
CH4
D
HCl
Multan, 2018
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Q 615:About 50% of the dry weight of cell is made up of:
A
Carbohydrates
B
Lipids
C
Protein
D
Vitamins
Multan, 2018
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Q 616:_____ of the following elements is found in most abundance in the Atmosphere.
A
Argon
B
Oxygen
C
Nitrogen
D
chlorine
Multan, 2018
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Q 617:_____ pair has polar covalent bond.
A
O2 and Cl2
B
H2O and N2
C
H2O and C2H2
D
H2O and HCl
Multan, 2018
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Q 618:______ of the following non-metals is lustrous.
A
Sulphur
B
Phosphorus
C
Iodine
D
Carbon
Multan, 2018
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Q 619:_____ consists of four subshells.
A
K shell
B
L shell
C
M shell
D
N shell
Multan, 2018
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Q 620:_____ has lowest Electronegativity of the following Halogens.
A
Fluorine
B
Chlorine
C
Bromine
D
Iodine
Multan, 2018
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Total MCQs: 1548Page 62 of 155
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