Multiple choice questions on the following topics - Elements, Compounds and Mixtures   -   Solids, Liquids and Gases, Atomic Structure, Balancing Equations, Covalent Bonding, Ionic Bonding, The Alkali Metals, The Halogens, Transition Metals - Noble Gases, Acids, Alkalis, Neutralization - Salts, Rates of Reaction, Catalysts, Enzymes, Energy - Fermentation/alcohol, The Reactivity Series, Extraction of Metals, Alloys, Uses of Metals, Water Cycle - Carbon Cycle - Nitrogen Cycle, The  Atmosphere, Tests for Ions, Tests for Gases, The Haber Process - Fertilizers, Products from Oil - Hydrocarbons - Polymers, Moles - Calculations, Rocks