Chemistry Past Paper Questions

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Q 1381:Depending upon temperature variation, atmosphere is divided into .... Regions:
A
one
B
two
C
three
D
four
Multan, 2016
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Q 1382:Dilute acids react with carbonates to produce product except
A
salt
B
water
C
crbon dioxide
D
Hydrogen
Multan, 2016
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Q 1383:In laboratory, Urea was prepared by scientist:
A
Wholer
B
Rutherford
C
Berzellius
D
Dalton
Multan, 2016
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Q 1384:In the lime kiln, the following reaction goes to completion because : CaCO3 → CaO + CO2
A
Of high temperature
B
CaO is more stable than CaCO3
C
CO2 escapes continuously
D
CaO is not dissociated
Multan, 2016
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Q 1385:Main component of natural gas is
A
Methane
B
Propane
C
Butane
D
Propyne
Multan, 2016
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Q 1386:Mass of a proton is:
A
1.0073 amu
B
1.0087 amu
C
5.486 10-4 amu
D
6.486 amu
Multan, 2016
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Q 1387:is an electron deficient molecule.
A
NH3
B
BF3
C
N2
D
O2
Multan, 2016
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Q 1388:is not amorphous solid.
A
Rubber
B
Plastic
C
Glass
D
Glucose
Multan, 2016
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Q 1389:element is found in most abundance in the earth’s crust:
A
Oxygen
B
Aluminium
C
Silicon
D
Iron
Multan, 2016
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Q 1390:Gases are the lightest form of matter and their densities are expressed in terms of:
A
mg cm-3
B
g cm-3
C
g dm-3
D
kg dm-3
Multan, 2016
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Total MCQs: 1548Page 139 of 155
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