2024 WAEC Chemistry Question And Answers Expo

The West African Examination Council (WAEC) Has Scheduled The 2024 WAEC Chemistry Question And Answers Paper To Take Place on 22nd May, 2024.

This brings the attention of candidates writing the exam in to searching for WAEC Chemistry 2024 Questions And Answers, WAEC Chemistry Expo 2024, WAEC Chemistry Questions 2024, WAEC Chemistry Answer 2024, WAEC physics essay 2024 and etc.

2024 WAEC Chemistry Question And Answers

In this section, you will read the steps and requirements needed for you to get 2024 WAEC Chemistry Question And Answers before exam.

2024 WAEC Chemistry Paper is Categorized in to 2 parts:

  • WAEC Chemistry Essay 2024
  • WAEC Chemistry Objective 2024

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2024 WAEC Chemistry Question And Answers Expo

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WAEC Chemistry Expo 2024

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Area of Concentration for Chemistry WAEC 2024?

Below are the area of concentration for chemistry WAEC 2024:

Introduction To Chemistry

Measurement of physical quantities.

Scientific measurements and their importance in chemistry.

Scientific methods, including observation, hypothesis, experimentation, formulation of laws and theories.

3. Chemical Bonds

Interatomic bonding.

Formation of ionic bonds and compounds.

Properties of ionic compounds.

Naming of ionic compounds.

Formation of covalent bonds and compounds.

Properties of covalent compounds.

Coordinate (dative) covalent bonding.

Metallic bonding and properties of metals.

Structure Of The Atom

Gross features of the atom.

Atomic number, number of neutrons, isotopes, atomic mass, mass number.

Dalton’s atomic theory, J.J. Thompson’s experiment, Bohr’s model of the atom.

Rutherford’s alpha scattering experiment.

Relative atomic mass (Ar) and relative molecular mass (Mr) based on Carbon-12 scale.

Characteristics and nature of matter.

Particulate nature of matter: physical and chemical changes.

Electron configuration, orbitals, rules and principles for filling electrons.

Periodic Chemistry

Periodicity of the elements.

Different categories of elements in the periodic table.

Periodic law and trends on the periodic table.

Periodic gradation of elements in the third period.

Explanation of the periodic law and periodic properties.

Chemistry, Industry, And The Environment

Chemical industry, pollution, biotechnology.

Basic Biochemistry and Synthetic Polymers:

Proteins, amino acids, fats/oils, carbohydrates.

Synthetic polymers, properties, and uses.

Redox Reactions

Oxidation and reduction processes.

Oxidizing and reducing agents.

Redox equations, half-reactions, and overall reactions.

Electrochemical cells, standard electrode potential.

Stoichiometry And Chemical Reactions

Symbols, formulae, and equations.

Laws of chemical combination.

Amount of substance and mole ratios.

Solutions, concentration terms, standard solutions.

Preparation of solutions by dilution.

Standard Separation Techniques For Mixtures

Classification of mixtures.

Separation techniques: crystallization, distillation, precipitation, chromatography, etc.

Criteria for purity.

Energy And Energy Changes

Energy and enthalpy.

Energy changes and their effects.

Solubility Of Substances

General principles of solubility.

Saturated and unsaturated solutions.

Solubility curves, solubility expressions.

Effect of temperature on solubility.

Crystallization and recrystallization.

Chemical Kinetics And Equilibrium System

Rate of reactions and factors affecting rates.

Theories of reaction rates.

Equilibrium, Le Chatelier’s principle.

Acids, Bases, And Salts

Definitions of acids and bases.

Properties of acids and bases.

Acids, bases, and salts as electrolytes.

Classification of acids and bases.

Concept of pH.

WAEC Chemistry Syllabus 2024