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Home
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Chemistry
JAMB 1992
Chemistry 1992 JAMB Past Questions
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Matter and Separation Techniques
Particulate Nature of Matter
BASIC CHEMISTRY
Chemical Combinations
Properties of Gases ( Gas Laws )
Properties of Solids and Liquids
Acids, Bases and Salts
Periodic Table
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INORGANIC CHEMISTRY
Hydrogen ( Hydrides )
Oxygen ( Oxides - Ozone )
Carbon - Carbon Compounds
Nitrogen - Nitrogen Compounds
Phosphorus - Phosphorus Compounds
Sulphur - Sulphur Compounds
Halogen Family
Silicon and its Compounds
Metals and their Compounds 1
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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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The mole concept and Avogadro's number
Kinetic Theory of Matter and Gas Laws
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The relationship between vapour density of gases and the relative molecular mass.
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The concept of atoms, molecules and ions, the works of Dalton, Millikan, Rutherford, Moseley, Thompson and Bohr
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Shapes of S and P orbitals
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Van der Waals' forces.
Shapes of simple molecules
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Water of crystallization, efflorescence, deliquescence and hygroscopy
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Qualitative comparison of the conductances of molar solutions of strong and weak acids and bases
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pH and pOH scale; Simple calculations
Acid/base titrations.
Hydrolysis of salts
Oxidation and Reduction (REDOX) Reactions
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Reduction as removal of oxygen or addition of hydrogen.
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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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Electrolysis
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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Electrochemical cells: Redox series
Half-cell reactions and electrode potentials
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Corrosion as an electrolytic process
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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
Sulphur and its compound
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
Alkanoates
Amines (Alkanamines): Primary, Secondary, and tertiary
Carbohydrates
Proteins: Primary structures, hydrolysis and tests
Enzymes and their functions
Polymers: Natural and synthetic rubber
Industrial Chemistry
Chemical industries: Types, raw materials and relevances
Economics of Industrial process
Importance of industrial chemistry in Nigeria
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41
Which of the following are isomers?
A.
Ethanol and dimethyl ether
B.
Benzene and methybenzene
C.
Ethanol and propanone
D.
Trichloromethane and tetrachloromethane
View Answer & Discuss (4)
JAMB 1992
42
The functional group present in an organic compound which gives bubbles on treatment with a saturated solution of NaHCO
3
is?
A.
hydroxyl group
B.
carboalkoxyl group
C.
carbonyl group
D.
carboxyl group
View Answer & Discuss (5)
JAMB 1992
43
An organic compound containing 40.1% carbon and 6.6% hydrogen has an empirical formula of?
A.
C
2
H
4
O
2
B.
C
2
H
3
O
2
C.
CH
2
O
D.
CH
3
O
View Answer & Discuss (1)
JAMB 1992
44
The characteristics reaction of carbonyl compounds is?
A.
substitution
B.
elimination
C.
addition
D.
saponfication
View Answer & Discuss (7)
JAMB 1992
45
Alkanals can be differentiated from alkanones by reaction with?
A.
2,4-dinitrophenylhydrazine
B.
hydrogen cyanide
C.
sodium hydrogen sulphite
D.
Tollen's reagent
View Answer & Discuss (4)
JAMB 1992
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