Chemistry Past Paper Questions

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Q 211:Percentage of water in human body is:
A
68%
B
69%
C
70%
D
71%
Multan, 2019
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Q 212:Polymerization of Amino acids yields:
A
Carbohydrates
B
Lipids
C
Protein
D
Sugar
Multan, 2019
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Q 213:Potable water on earth is only ___________ of total water on earth:
A
0.2%
B
0.6%
C
2.1%
D
4.0%
Multan, 2019
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Q 214:Reduction of Alkyl Halides take place in the presence of:
A
Na/dil HCl
B
Ni/dil HCl
C
Zn / dil HCl
D
Pt
Multan, 2019
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Q 215:The boiling range of Petroleum Ether is:
A
80-170oC
B
20-170oC
C
30-80oC
D
170-250oC
Multan, 2019
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Q 216:The cause of Global Warming is _______ gas.
A
CO2
B
SO2
C
NOx
D
O3
Multan, 2019
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Q 217:The Coal which has 80 percent content of Carbon is called:
A
Peat
B
Lignite
C
Anthracite
D
Bituminous
Multan, 2019
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Q 218:The colours of Fe(OH)3 is:
A
Brown
B
White
C
Blue
D
Dirty green
Multan, 2019
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Q 219:Maltose is generally found in:
A
Milk
B
Cereals
C
Dairy products
D
Cotton
Multan, 2019
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Q 220:Oxidation number of "Cl" in KClO3 is :
A
+1
B
+2
C
+4
D
+5
Multan, 2019
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Total MCQs: 1548Page 22 of 155
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