Chemistry Paper 1 Chemical Changes Reaction of Metals with Oxygen The Reactivity Series Extraction of Metals Oxidation and Reduction in terms of Electrons Acids and Alkalis Acids Reacting with Metals 1 Acids Reacting with Metals 2 Three Reactions of Acids Required Practical 1: Making Soluble Salts Strong and Weak Acids Required Practical 2: Carrying out a Titration (Triple) Titration Calculations 1 (Triple) Titration Calculations 2 (Triple) Introducing Electrolysis Electrolysis of Aluminium Oxide Electrolysis of Aqueous Solutions 1 Electrolysis of Aqueous Solutions 2 Required Practical 3: Electrolysis Back Workbooks