During the industrial extraction of iron in a blast furnace, iron(III) oxide (Fe2O3\text{Fe}_2\text{O}_3Fe2O3) reacts with carbon monoxide (CO\text{CO}CO) to produce iron and carbon dioxide.
State what is meant by reduction in terms of oxygen.
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.