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Definition of the following terminologies: systems, reactions and dynamic equilibrium.
Properties of a system in equilibrium
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Oxygen and Oxides
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Carbon: Allotropes, Uses and properties.
Metals and their compounds
General properties of metals
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Aluminium and its compound
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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)
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Aromatic hydrocarbons e.g. benzene - structure, properties and uses
Alkanols: Primary, secondary, tertiary
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Carbohydrates
Proteins: Primary structures, hydrolysis and tests
Enzymes and their functions
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901
A gas that will turn orange potassium heptaoxodichromate (lV) solution to clear green is?
A.
sulphur (lV) oxide
B.
hydrogen sulphide
C.
sulphide (lV) oxide
D.
hydrogen chloride
View Answer & Discuss (15)
JAMB 1995
902
Which of the following ions will give a white precipitate with aqueous NaOH and soluble in excess of the base?
A.
Ca
2+
B.
Mg
2+
C.
Zn
2+
D.
Cu
2+
View Answer & Discuss (5)
JAMB 1995
903
In the extraction of iron in the blast furnace, limestone is used to?
A.
release CO
2
for the reaction
B.
reduce the iron ore
C.
increase the strenght of the iron
D.
remove impurities
View Answer & Discuss (4)
JAMB 1995
904
Which of the following compounds will impart a brick-red colour to a non-luminious bunsen flame?
A.
NaCl
B.
LiCl
C.
CaCl
2
D.
MgCl
2
View Answer & Discuss (8)
JAMB 1995
905
Group 1 A metals are not found free in nature because they?
A.
are of low melting and boiling points
B.
have weak metallic bonding
C.
conduct electricity and heat
D.
are very reactive
View Answer & Discuss (1)
JAMB 1995
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