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Chemistry JAMB Past Questions
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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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INORGANIC CHEMISTRY
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Carbon - Carbon Compounds
Nitrogen - Nitrogen Compounds
Phosphorus - Phosphorus Compounds
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Halogen Family
Silicon and its Compounds
Metals and their Compounds 1
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Crude Oil
Basic Concepts of Organic Chemistry
Organic Chemistry 2
Applied Chemistry
Chemical Industry
The Solar System
Separation of mixtures and purification of chemical substance
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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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Atomic Structure and Bonding
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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Chemical bonding
Van der Waals' forces.
Shapes of simple molecules
Nuclear Chemistry
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Water of crystallization, efflorescence, deliquescence and hygroscopy
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Definition of Solubility and Solubility curves and simple deductions
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Definition, General characteristics, types and properties of acids, bases and salts
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Hydrolysis of salts
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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
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Electrochemical cells: Redox series
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Corrosion as an electrolytic process
Energy changes
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Entropy as an order-disorder phenomenon
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Ways of measuring the rate of chemical reaction
Factors affecting rates of reaction
Arrhenius’ law and Collision theory
Reaction rate curves
Chemical equilibrium
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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1346
The reaction 3C(s) + 2Fe
2
O
3
(s) = 4Fe(s) + 3CO
2
(g): \(\Delta\)H =46.0 kJ is
A.
isothermic
B.
adiabatic
C.
isobaric
D.
endothermic
E.
exothermic
View Answer & Discuss (6)
JAMB 1979
1347
The solution of a sample in a tube will be identified as a chloride if it gives
A.
a white precipitate on addition of AgNO
3
and barium chloride solutions
B.
a white precipiate when acidified with HCI, and then AgNO
3
solution added
C.
a white precipitate when acidified with dilute HNO
3
and then AgNO
3
solution added
D.
a white precipitate when acidified with dilute H
2
SO
4
and then barium nitrate solution added
E.
a pungent smell of chlorine gas when dilute HCI and MnO
2
are added
View Answer & Discuss (9)
JAMB 1979
1348
Hydrogenation may be effected by
A.
the removal of hydrogen from an alkane in the presence of a catalyst
B.
the addition of hydrogen to an alkane in the presence of a catalyst
C.
the addition of hydrogen to an alkyne
D.
the removal of hydrogen from an alkyne
E.
the addition of hydrogen to an ethyl alcohol
View Answer & Discuss (20)
JAMB 1979
1349
Two metallic ions associated with hard water are
A.
copper and zinc
B.
magnesium and silver
C.
calcium and magnesium
D.
potassium and tin
E.
sodium and lead
View Answer & Discuss (2)
JAMB 1979
1350
Bronze is an alloy of
A.
copper, zinc and nickel
B.
aluminium and copper
C.
copper and zinc
D.
tin and zinc
E.
tin and copper
View Answer & Discuss (6)
JAMB 1979
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