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5.1 Obtaining and using metals

5.1 Obtaining and using metals

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Question 85

Copper can be extracted from copper oxide by heating the oxide with carbon.

copper oxide+carbon→copper+carbon dioxide \text{copper oxide} + \text{carbon} \rightarrow \text{copper} + \text{carbon dioxide} copper oxide+carbon→copper+carbon dioxide

Which statement describes what happens in this reaction?

A

copper oxide is reduced

B

carbon is reduced

C

copper is oxidised

D

copper oxide is neutralised

Markscheme

5.1 Obtaining and using metals Questions

  1. GCSE
  2. /Chemistry
  3. /5.1 Obtaining and using metals

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.

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