GCSE · WJEC
Chemistry
1.1 - Elements, Compounds & Mixtures1.2 - Filtration & Evaporation1.3 - Distillation1.4 - Chromatography & Rf Values1.5 - Chemical Formulae1.6 - Chemical Equations1.7 - Conservation of Mass1.8 - Relative Formula Mass1.9 - The Mole1.10 - Reacting Mass Calculations1.11 - Percentage Yield1.12 - Empirical & Molecular Formulae
7.1 - The Reactivity Series7.2 - Extracting Metals from Their Ores7.3 - Redox7.4 - Ionic Equations7.5 - Electrolysis - Molten Compounds7.6 - Extracting Aluminium by Electrolysis7.7 - Electrolysis - Aqueous Solutions7.8 - Evaluating Extraction Methods7.9 - Reuse & Recycling7.10 - Uses of Metals & Polymers7.11 - Transition Metals7.12 - Tests for Cations7.13 - Exothermic & Endothermic Reactions7.14 - Bond Energy Calculations
10.1 - Preparing a Soluble Salt10.2 - Acid-Alkali Titration10.3 - Electrolysis of Aqueous Solutions10.4 - Reactivity Trends by Displacement10.5 - Energy Released by Burning a Fuel10.6 - Rate of Reaction by Gas Collection or Mass Loss10.7 - Rate of Reaction by Timing to an End Point10.8 - Identifying Ions in an Unknown Compound10.9 - Thermal Stability of Metal Carbonates10.10 - Hardness of Water by Titration with Soap Solution