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 dioxideWhich statement describes what happens in this reaction?
copper oxide is reduced
carbon is reduced
copper is oxidised
copper oxide is neutralised
Practise Edexcel GCSE Chemistry Obtaining and using metals with exam-style questions for Foundation and Higher tier. 110 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
