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Home
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Chemistry
WAEC 1996
Chemistry 1996 WAEC Past Questions
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BASIC CHEMISTRY
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chemical symbols, formulae, equations and their uses
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Tin Extraction from its ores
Metals of the first transition series
Iron Extraction from sulphide and oxide ores
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Alloy
Organic Compounds
Introduction to the tetravalency of carbon
Alkanes: Homologous series in relation to physical properties
Alkenes: Isomerism (structural and geometric isomerism)
Alkynes: Ethyne
Aromatic hydrocarbons e.g. benzene - structure, properties and uses
Alkanols: Primary, secondary, tertiary
Alkanals and alkanones
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16
What does X represent in the following equation? H
2(g)
+ 1/2O
2(g)
→ H
2
O
(l)
; ∆H = xKJ.
A.
Bond energy
B.
Activation energy
C.
Ionization energy
D.
Enthalpy of neutralization
E.
Enthalpy of formation
View Answer & Discuss
WAEC 1996
17
If the third member of a homologous series is C
3
H
8
, the fifth member will be
A.
C
5
H
8
B.
C
5
H
9
C.
C
5
H
10
D.
C
5
H
11
E.
C
5
H
12
View Answer & Discuss (4)
WAEC 1996
18
Which of the following exhibits resonance?
A.
Benzene
B.
Butane
C.
Pentene
D.
Octana
E.
Hexene
View Answer & Discuss (2)
WAEC 1996
19
On exposing palm wine to air for some days, it becomes sour owing to the conversion of
A.
glucose to ethanol
B.
glucose to gluconic acid
C.
ethanol to ethanoic acid
D.
ethanol to ethanal
E.
palm wine to palmitic acid
View Answer & Discuss (5)
WAEC 1996
20
When acidified KMnO
4
solution is decolorised by ethene, the gas acts as
A.
a straight-chain hydrocarbon
B.
a saturated hydrocarbon
C.
a reducing agent
D.
a dehydrating agent
E.
an oxidizing agent
View Answer & Discuss
WAEC 1996
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