Chemistry Past Paper Questions

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Q 1271:Dilute acids react with carbonates to produce the given product
A
Salts
B
Water
C
Hydrogen
D
Carbon dioxide
Gujranwala, 2016
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Q 1272:Lactic acid occurs in
A
Rancid butter
B
Sour Milk
C
Grapes
D
Apple
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Q 1273:In the lime kiln, the reaction CaCO3 → CaO + CO2 goes to completion because
A
Of high temperature
B
CaO is more stable than CaCO3
C
CO2 escapes continuously
D
CaO is not dissociated
Gujranwala, 2016
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Q 1274:Industrial Chemistry deals with manufacturing of compounds...........
A
In the laboratory
B
On micro scale
C
On commercial scle
D
On economic scale
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Q 1275:M shell can accommodate:
A
2 electrons
B
8 electrons
C
18 electrons
D
32 electrons
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Q 1276:Mendeleev's Periodic table was based on the:
A
Electronic Configuration
B
atomic mass
C
Atomic number
D
Completion of Subshell
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Q 1277:Metals can form ions carrying charges.
A
Uni-positive
B
Di-Positive
C
Tri-Positive
D
All of these
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Q 1278:Modern Periodic Table has .............. periods.
A
3
B
5
C
7
D
9
Gujranwala, 2016
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Q 1279:How many times liquids are denser than gases?
A
100 Times
B
1000 Times
C
10,000 Times
D
10 times
Gujranwala, 2016
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Q 1280:In an aqueous solution, the solvent is:
A
Acid
B
Base
C
Alcohol
D
Water
Gujranwala, 2016
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Total MCQs: 1548Page 128 of 155
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