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Home
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Chemistry
WAEC 1992
Chemistry 1992 WAEC Past Questions
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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)
Alkynes: Ethyne
Aromatic hydrocarbons e.g. benzene - structure, properties and uses
Alkanols: Primary, secondary, tertiary
Alkanals and alkanones
Alkanoic acids
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Amines (Alkanamines): Primary, Secondary, and tertiary
Carbohydrates
Proteins: Primary structures, hydrolysis and tests
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31
Which of the following pH values is likely to be that of a slightly alkaline solution?
A.
2
B.
5
C.
7
D.
8
E.
13
View Answer & Discuss (1)
WAEC 1992
32
Which of the following minerals contains flurine as one of its constituent elements?
A.
Cryolite
B.
Bauxite
C.
Potash alum
D.
Kaolin
E.
Mica
View Answer & Discuss (2)
WAEC 1992
33
The product of the reaction between propanoic acid and ethanol is
A.
prophlmethanoate
B.
ethylethanoate
C.
methylpropanoate
D.
propylethanoate
E.
ethylpropanoate
View Answer & Discuss
WAEC 1992
34
Which of the following groups contains entirely linear molecules?
A.
H
2
NH
3
O
2
B.
CO
2
NH
3
2
C.
H
2
CH
4
N
2
D.
CO
2
H
2
N
2
E.
CH
4
O
2
CO
2
View Answer & Discuss (1)
WAEC 1992
35
What is the value of n in the following equation? XO-
4
+8H
+
+ ne- → X
2
+
+ 4H
2
O
A.
2
B.
3
C.
4
D.
5
E.
6
View Answer & Discuss (13)
WAEC 1992
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