The table below shows some economic and environmental data for aluminium and indium.
| Metal | Cost of 1 kg / £ | Abundance in Earth's crust / % |
|---|---|---|
| Aluminium | 1.60 | 8.2 |
| Indium | 210.00 | 0.000016 |
Give two reasons why it is more important to recycle indium than to recycle aluminium. Use the information in the table.
110 exam-style questions on Edexcel GCSE Chemistry 5.1 Obtaining and using metals, covering 5.1.1 The reactivity series of metals, 5.1.2 Displacement reactions as redox reactions, 5.1.3 Extracting metals from ores by reduction, 5.1.4 Biological methods of metal extraction, 5.1.5 Resistance to oxidation and recycling metals, and 5.1.6 Life cycle assessment. Each one has a worked solution and a mark scheme showing where the marks go.