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Home
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Chemistry
WAEC 2005
Chemistry 2005 WAEC Past Questions
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Matter and Separation Techniques
Particulate Nature of Matter
BASIC CHEMISTRY
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Halogen Family
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Basic Concepts of Organic Chemistry
Organic Chemistry 2
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chemical symbols, formulae, equations and their uses
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Metals of the first transition series
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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)
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Aromatic hydrocarbons e.g. benzene - structure, properties and uses
Alkanols: Primary, secondary, tertiary
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26
The main difference between a primary cell and a secondary cell is that the primary cell
A.
is an electrolytic cell but the secondary is not
B.
cannot be recharged but the secondary cell can
C.
can be recharged but the secondary cell cannot
D.
contains electrodes but the secondary cell does not
View Answer & Discuss
WAEC 2005
27
Determine the mass of copper deposited by 4.0 moles of electrons in the reaction represented by the equation below: Cu
2
(aq)
+ 2e
-
→ Cu
(s)
A.
32
B.
64
C.
128
D.
256
View Answer & Discuss (4)
WAEC 2005
28
Reaction undergone by compounds with the general formula C
n
H
2n+2
include
A.
addition
B.
esterification
C.
substitution
D.
dehydration
View Answer & Discuss (2)
WAEC 2005
29
What is the major product formed when C
2
H
5
OH reacts with CH
3
COOH?
A.
C
2
H
5
COOCH
3
B.
C
2
HCOCH
3
C.
CH
3
COOC
2
H
5
D.
C
3
H
7
COOH
View Answer & Discuss (2)
WAEC 2005
30
Which of the following substances is a non-reducing sugar?
A.
Sucrose
B.
Glucose
C.
Fructose
D.
Maltose
View Answer & Discuss (4)
WAEC 2005
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