The chemical equation shows the reduction of copper(II) oxide using carbon monoxide:
CuO(s)+CO(g)→Cu(s)+CO2(g) \text{CuO(s)} + \text{CO(g)} \rightarrow \text{Cu(s)} + \text{CO}_2\text{(g)} CuO(s)+CO(g)→Cu(s)+CO2(g)Explain, in terms of oxygen, which substance is reduced in this reaction.
Practise Edexcel GCSE Chemistry Obtaining and using metals with exam-style questions for Foundation and Higher tier. 100 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.