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Home
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Chemistry
JAMB 1991
Chemistry 1991 JAMB Past Questions
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Theory
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Matter and Separation Techniques
Particulate Nature of Matter
BASIC CHEMISTRY
Chemical Combinations
Properties of Gases ( Gas Laws )
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Acids, Bases and Salts
Periodic Table
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Water and Solubility Concept
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Carbon - Carbon Compounds
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Halogen Family
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Basic Concepts of Organic Chemistry
Organic Chemistry 2
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Gay Lussac's law of combining volumes
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chemical symbols, formulae, equations and their uses
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The mole concept and Avogadro's number
Kinetic Theory of Matter and Gas Laws
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pH and pOH scale; Simple calculations
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Hydrolysis of salts
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Use of oxidation numbers in defining REDOX reactions and balancing simple equations.
IUPAC nomenclature of inorganic compounds using oxidation number
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Electrolytes and non-electrolytes, and Faraday's laws of electrolysis
Electrolysis of dilute H2SO4, aqueous CuSO4, CuCl2 solution, dilute and concentrated NaCl solutions and fused NaCl
Factors affecting discharge of ions at the electrodes
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Arrhenius’ law and Collision theory
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Definition of the following terminologies: systems, reactions and dynamic equilibrium.
Properties of a system in equilibrium
Factors governing the equilibrium position
Le Chatelier’s principle
Equilibrium constant
Non-metals and their compounds
Hydrogen and Hydrides
Halogens: Chlorine as a representative element of the halogen
Oxygen and Oxides
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Nitrogen and its compounds
Carbon: Allotropes, Uses and properties.
Metals and their compounds
General properties of metals
Alkali metals e.g. sodium
Alkaline-earth metals
Aluminium and its compound
Tin Extraction from its ores
Metals of the first transition series
Iron Extraction from sulphide and oxide ores
Copper Extraction from sulphide and oxide ores
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
Enzymes and their functions
Polymers: Natural and synthetic rubber
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Chemical industries: Types, raw materials and relevances
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41
A certain liquid has a high boiling point. It is viscous, non-toxic, miscible with water being very hygroscopic. This liquid is most likely to be?
A.
CH
3
CH
2
CH
2
HO
B.
CH
3
CHOHCH
3
C.
CH
3
CH
2
CHOHCH
3
D.
CH
2
OHCHOHCH
2
OH
View Answer & Discuss (8)
JAMB 1991
42
Is known as?
A.
1-chloro-2-methylbutane
B.
1-chloro-2-methylpropane
C.
2-chloromethylpropane
D.
1-chloro-2, 2-dimethylethane
View Answer & Discuss (7)
JAMB 1991
43
Which of the following statements is TRUE of the complete hydrolysis of a glycerine by sodium hygroxide?
A.
3 moles ofNaOH are required for each mole of glyceride
B.
3 moles of glycerol are produced
C.
Only one mole of soap is formed
D.
concentrated H
2
SO
4
is essential for the completion of the reaction
View Answer & Discuss (5)
JAMB 1991
44
Which of the following are the products of the reaction between CH
3
COOH and CI
2
in sunlight?
A.
CICH
2
COOH + HCI
B.
CH
3
COCI + HOCI
C.
CH
3
COOCI + HCI
D.
CH
3
COCI + HO
2
View Answer & Discuss (12)
JAMB 1991
45
Which of these is an acid salt?
A.
K
2
SO
4-
.AI
2
(SO
4
)
3
.24H
2
O
B.
CuCO
3
.Cu(OH)
2
C.
NaHS
D.
CaOCI
2-
View Answer & Discuss (3)
JAMB 1991
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