1) What materials rust? a) All metals b) Iron only c) Iron and steel 2) What is required for rusting to happen? a) Oxygen and water b) water and salt c) oxygen water and salt 3) What conditions speed up the rate of rusting? a) Dry conditions b) salty water on the metal c) salt in dry air 4) what is oxidation? a) A reaction which removes oxygen b) A reaction which adds oxygen c) A reaction which produces water 5) What is galvanisation? a) a process to remove stains on metals b) A process of applying a protective zinc layer to steel or iron c) A process to prevent rusting on metals such as tin and aluminium 6) Which element reacts with metals in corrosion? a) Hydrogen b) Water c) Oxygen 7) What is the chemical formula for rust? a) Iron oxide b) Hydrated iron(III) oxide c) iron

Rusting quiz

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