Chemistry Past Paper Questions

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Q 471:The unit of molar concentration are:
A
mol dm-3
B
mol dm-2
C
mol dm3
D
mol dm-3
Faisalabad, 2018
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Q 472:Which is disaccharide?
A
Cellulose
B
Glucose
C
Sucrose
D
Starch
Faisalabad, 2018
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Q 473:Which is fat soluble vitamin?
A
Vitamin A
B
Vitamin E
C
Vitamin K
D
All these
Faisalabad, 2018
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Q 474:Which acid is used for food preservation?
A
Hydrochloric acid
B
Benzoic acid
C
Sulphuric acid
D
Nitric acid
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Q 475:Which is a double salt?
A
NaCl
B
CaO
C
AlCl3
D
K2SO4.Al2(SO4)3.24H2O
Faisalabad, 2018
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Q 476:Which is an electron deficient molecule?
A
NH3
B
BF3
C
N2
D
O2
Faisalabad, 2018
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Q 477:Tyndall effect is due to __________ beam of light.
A
blockage of
B
non-scattering
C
scattering of
D
passing through
Faisalabad, 2018
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Q 478:Tyndall effect is due to:
A
Blockage of Beam of light
B
Non-scattering of beam of light
C
Scattering of Beam of Light
D
Passing through Beam of Light
Faisalabad, 2018
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Q 479:The oxidation number of chromium in K2 Cr4 O7 is:
A
+2
B
+6
C
+7
D
+14
Faisalabad, 2018
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Q 480:The scientist who put forth the plum pudding Theory is:
A
Bohr
B
Thomson
C
Rutherford
D
Dalton
Faisalabad, 2018
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Total MCQs: 1548Page 48 of 155
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