Why does recycling aluminium cans reduce the use of limited resources?
Less aluminium ore has to be mined and then processed
Aluminium cans are made from a renewable raw material
Recycled aluminium is a different metal from the one in ore
Melting aluminium does not transfer any energy at all
40 exam-style questions on AQA GCSE Chemistry 10.2 Life cycle assessment and recycling, covering 10.2.1 Life cycle assessment and 10.2.2 Ways of reducing the use of resources. Each one has a worked solution and a mark scheme showing where the marks go.