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Introduction to the tetravalency of carbon
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1136
What reaction takes place when palm-oil is added to potash and foam are observed?
A.
Neutralization
B.
Saponification
C.
Esterification
D.
Salting-out
View Answer & Discuss (3)
JAMB 1986
1137
When ethanol is heated with excess concentrated sulphuric acid, the ethanol is?
A.
oxidized to ethene
B.
polymerized to polyethene
C.
dehydrated to ethene
D.
dehydrated to ethyne
View Answer & Discuss (2)
JAMB 1986
1138
Which of the following compounds is NOT formed by the action of chlorine on methane?
A.
CH
3
CI
B.
C
2
H
5
CI
C.
CH
2
CI
2
D.
CHCI
3
View Answer & Discuss (5)
JAMB 1986
1139
Which of the following substance is a mixture?
A.
Granulated sugar
B.
Sea-water
C.
Sodium chloride
D.
Iron fillings
View Answer & Discuss (4)
JAMB 1986
1140
The general formula of an alkyl halide (where X represents the halide) is?
A.
C
n
H
2n
2
X
B.
C
n
H
2n
+
1
X
C.
C
n
H
2n
+
2
X
D.
C
n
H
2n
X
View Answer & Discuss (1)
JAMB 1986
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