Edexcel IGCSE Chemistry (Modular): Unit 1
Exam Questions

The Three States of Matter, Diffusion & Dilution, Solutions, Solubility, Practical: Investigate The Solubility of a Solid In Water at a Specific Temperature

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

Atoms: Definitions & Structure, How to Calculate Relative Atomic Mass

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

Word & Chemical Equations, How to Calculate Relative Mass, Moles, Mass & RFM, Calculate Reacting Masses, How to Calculate Percentage Yield, Experiment: Finding Formulae of Simple Compounds, Practical: Determine The Formula of a Metal Oxide, Empirical & Molecular Formulae, How to Calculate Concentrations of Different Solutions, Calculate Volumes of Gases

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

Sources of Metals, Extracting Metals, Using Metals, Alloys

Indicators, Acids, Alkalis & Neutralisation, Acid-Alkali Titrations

Solubility Rules, Acids, Bases & Protons, Reactions of Acids, Bases, How to Prepare a Soluble Salt, How to Prepare a Soluble Salt: Method 2, How to Prepare an Insoluble Salt, Practical: Prepare Copper(II) Sulfate, Practical: Prepare Lead(II) Sulfate

Exothermic & Endothermic, Calorimetry, Energetics Calculations, Energy Level Diagrams, Bond Energy, Practical: Investigating Temperature Changes

Organic Compounds, Naming Organic Compounds, Classifying Organic Reactions

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

What are Alkanes?, Halogens & Alkanes

What are Alkenes?, Bromine & Alkenes