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Matter and Separation Techniques
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BASIC CHEMISTRY
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Basic Concepts of Organic Chemistry
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IUPAC nomenclature of inorganic compounds using oxidation number
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Electrolytes and non-electrolytes, and Faraday's laws of electrolysis
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Properties of a system in equilibrium
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Halogens: Chlorine as a representative element of the halogen
Oxygen and Oxides
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General properties of metals
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Aluminium and its compound
Tin Extraction from its ores
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
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Amines (Alkanamines): Primary, Secondary, and tertiary
Carbohydrates
Proteins: Primary structures, hydrolysis and tests
Enzymes and their functions
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Chemical industries: Types, raw materials and relevances
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Importance of industrial chemistry in Nigeria
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1761
Which of the following compounds crystallizes without water of crystallization?
A.
Na
2
CO
3
B.
CuSO
4
C.
MgSO
4
D.
NaCI
E.
FeSO
4
View Answer & Discuss
WAEC 1990
1762
The following metals are extracted by the electrolytic method except
A.
potassium
B.
calcium
C.
sodium
D.
tin
E.
magnesium
View Answer & Discuss
WAEC 1990
1763
Petrol can be obtained from diesel by
A.
distillation
B.
cracking
C.
catalysis
D.
polymerization
E.
dehydrogenation
View Answer & Discuss (3)
WAEC 1990
1764
The metal extracted from cassiterite is
A.
calcium
B.
copper
C.
tin
D.
sodium
E.
lead
View Answer & Discuss
WAEC 1991
1765
In which of the following is the oxidation number of nitrogen zero?
A.
SO
2
and NH
3
B.
NaNO
3
C.
HNO
2
D.
NOI
3
E.
N
2
View Answer & Discuss (2)
WAEC 1991
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