AQA GCSE Chemistry: Combined Science
Exam Questions

Elements, Compounds, Equations, Half Equations & Ionic Equations, Mixtures, History of the Atom, The Structure of the Atom, Size & Mass of Atoms, Relative Atomic Mass, Electronic Structure

Arranging the Elements, History of the Periodic Table, Metals & Non-Metals, Group 0: The Noble Gases, Group 1: The Alkali Metals, Group 7: The Halogens

Chemical bonds, Ionic Bonding, Ionic Compounds, Covalent bonding, Metallic Bonding

States of Matter, Particle Theory & its Limitations, State Symbols, Properties of Ionic Compounds, Properties of Small Molecules, Polymers, Giant Covalent Structures, Properties of Metals & Alloys, Metals as Conductors

Diamond structure, Graphite structure, Graphene & fullerenes

Conservation of Mass & Balancing Chemical Equations, Calculate Relative Formula Mass, Mass Changes when a Reactant or Product is a Gas, Chemical Measurements

The Mole, Amounts of Substances in Equations, Using Moles to Balance Equations, Limiting Reactants, Concentrations of Solutions

Metal Oxides, The Reactivity Series, Extraction of Metals & Reduction, Oxidation & Reduction in Terms of Electrons

Metal and acid, Metal & Acid Reactions as Redox Reactions, Neutralisation of Acids and Salt Production, Soluble Salts, Required Practical: Preparation of a Soluble Salt, The pH Scale & Neutralisation, Strong & Weak Acids

The Process of Electrolysis, Electrolysis of Molten Ionic Compounds, Using Electrolysis to Extract Metals, Electrolysis of Aqueous Solutions, Required Practical: Electrolysis of Aqueous Solutions, Half Equations in Electrolysis

Energy Transfer in Reactions, Required Practical: Investigating Temperature Changes, Reaction Profiles, The Energy Change of Reactions

Calculating Rates of Reactions, Reaction Rates Using Moles, Rate Graphs, Calculating Gradients, Factors that Affect the Rate of Reaction, Required Practical: Investigating the Effect of Concentration on Rate of Reaction, Collision Theory & Activation Energy, Catalysts

Reversible Reactions, Energy Changes & Reversible Reactions, Equilibrium, The Effect of Changing Conditions on Equilibrium, The Effect of Changing Concentration, The Effect of Temperature Changes on Equilibrium, The Effect of Pressure Changes on Equilibrium

Crude Oil, Hydrocarbons & Alkanes, Fractional Distillation & Petrochemicals, Properties of Hydrocarbons, Cracking & Alkenes

Pure Substances, Formulations, Chromatography, Required Practical: Investigating Chromatography

Test for Hydrogen, Test for Oxygen, Test for Carbon Dioxide, Test for Chlorine

Gases in the Atmosphere, Earth's Early Atmosphere, How Oxygen Increased, How Carbon Dioxide Decreased

Greenhouse Gases, Humanity & Greenhouse Gases, Global Climate Change, The Carbon Footprint & Its Reduction

Atmospheric pollutants from fuels, Properties & effects of atmospheric pollutants

Resources & Sustainability, Potable Water, Required Practical: Analysis & Purification of Water Samples, Waste Water Treatment, Alternative Methods of Extracting Metals

Life Cycle Assessment, Reducing Use of Resources