Edexcel IGCSE Chemistry: Double Science
Exam Questions

The Three States of Matter, Diffusion & Dilution, Solutions

Element, Compound or Mixture, Pure Substance vs Mixture, Separation Techniques, Interpreting Chromatograms, Practical: Investigating Paper Chromatography

Atoms: Definitions & Structure, Calculate Relative Atomic Mass

Periodic Table: Basics, Electronic Configurations, Classify Metals & Non-Metals, Electronic Configuration & Reactivity

Word & Chemical Equations, Calculate Relative Mass, Moles, Mass & RFM, Calculate Reacting Masses, Calculate Percentage Yield, Experiment: Finding Formulae of Compounds, Practical: Determine the Formula of a Metal Oxide, Empirical & Molecular Formulae

Formation of Ions, Common Ions, Formulae for Ionic Compounds, Ionic Bonds: Dot & Cross Diagrams, Ionic compounds: Bonds, Structure & Properties

Formation of Covalent Bonds, Covalent Bonds: Dot & Cross Diagrams, Simple Molecular Structures, Giant Covalent Structures

Group 1 (Alkali Metals)

Group 7 (Halogens)

Composition of Air, Practical: Determine the % of Oxygen in Air, Combustion, Carbon Dioxide from Thermal Decomposition, The Greenhouse Effect

Metals Reacting with Water & Acids, Metal Displacement Reactions, Order of Reactivity, Rusting of Iron, Oxidation & Reduction, Practical: Investigate Metals Reacting with Acids

Indicators, Acids, Alkalis & Neutralisation

Solubility Rules, Acids, Bases & Protons, Reactions of Acids, Bases, Prepare a Soluble Salt, Practical: Prepare Copper(II)Sulfate

Tests for Gases, Flame Tests, Tests for Cations, Tests for Anions, Tests for Water

Exothermic & Endothermic, Calorimetry, Energetics Calculations, Practical: Investigating Temperature Changes

Measuring Rates, Explaining Rates, Catalysts, Practical: Effect of Surface Area on Rate of Reaction, Practical: Effect of Catalysts on Rate of Reaction

Reversible Reactions

Organic Compounds, Naming Organic Compounds, Classifying Organic Reactions

Crude Oil & Fractional Distillation, Combustion, Nitrogen Oxides & Sulfur Dioxide, Cracking

Alkanes, Halogens & Alkanes

Alkenes, Bromine & Alkenes

Addition Polymers, Disposal of Addition Polymers