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[ Post UTME Begins ]:
View The List Of Schools That Have Released 2026 Post-UTME Forms.
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Chemistry Past Questions
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Topics:
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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
Air and Air Pollution
Water and Solubility Concept
Mass-Volume Concepts
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INORGANIC CHEMISTRY
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Carbon - Carbon Compounds
Nitrogen - Nitrogen Compounds
Phosphorus - Phosphorus Compounds
Sulphur - Sulphur Compounds
Halogen Family
Silicon and its Compounds
Metals and their Compounds 1
Transition Metals and their Compounds
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Crude Oil
Basic Concepts of Organic Chemistry
Organic Chemistry 2
Applied Chemistry
Chemical Industry
The Solar System
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Stoichiometry
Laws of definite and multiple proportions
Law of conservation of matter
Gay Lussac's law of combining volumes
Avogadro's law
chemical symbols, formulae, equations and their uses
Relative atomic mass based on 12C-12
The mole concept and Avogadro's number
Kinetic Theory of Matter and Gas Laws
States of matter
Change of States of matter
Phenomena Supporting Kinetic theory-Diffusion and Osmosis
Assumptions of Kinetic theory of Gases
The Gas Laws: Boyle, Charles, Graham and Dalton (law of partial pressure), combined gas law
Molar volume and atomicity of gases
The ideal gas equation (PV = nRT)
The relationship between vapour density of gases and the relative molecular mass.
Atomic Structure and Bonding
The concept of atoms, molecules and ions, the works of Dalton, Millikan, Rutherford, Moseley, Thompson and Bohr
Atomic structure, electron configuration, atomic number, mass number and isotopes.
Shapes of S and P orbitals
The Periodic table and periodicity of elements
The variation of the following properties: ionization energy, ionic radii, electron affinity and electronegativity
Chemical bonding
Van der Waals' forces.
Shapes of simple molecules
Nuclear Chemistry
Radioactivity - Types and properties of radiations
Nuclear Reactions - Natural and Artificial Radioactivity, uses and Application.
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The natural gaseous constituents and their proportion in the air
Air as a mixture and some uses of the noble gas
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Water as a product of the combustion of hydrogen and its composition by volume
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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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Sources and effects of pollutants
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Definition, General characteristics, types and properties of acids, bases and salts
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Acid/base titrations.
Hydrolysis of salts
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Oxidation in terms of the addition of oxygen or removal of hydrogen.
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
Tests for oxidizing and reducing agents
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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
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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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2241
Which of the following equipment is not used to detect radioactivity?
A.
Wilson cloud chamber
B.
Geiger- muller counter
C.
Mass spectrometer
D.
Photographic plate
View Answer & Discuss (1)
WAEC 2004
2242
The method of collection of gases prepared in the laboratory depend on their
A.
odour and atomicity
B.
colour and odour
C.
atomicity and density
D.
solubility and density
View Answer & Discuss (1)
WAEC 2004
2243
Which of the following pairs of salts undergo hydrolysis?
A.
AlCI
3
and NH
4
CI
B.
AICI
3
and NaCI
C.
FeCI
3
and KCI
D.
Na
2
SO
4
and K
2
SO
4
View Answer & Discuss (8)
WAEC 2004
2244
The alloy used extensively in the building industry is
A.
steel
B.
bronze
C.
duralumin
D.
type metal
View Answer & Discuss
WAEC 2004
2245
Which of the following salts is not prepared by precipitation?
A.
Lead (ll) trioxocarbonate (lV)
B.
Barium trioxocarbonate (IV)
C.
Sodium trioxocarbnate (IV)
D.
Calcium trioxocarbonate (IV)
View Answer & Discuss (1)
WAEC 2004
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