Aluminium is a widely used structural metal, particularly in the aerospace industry. It is extracted industrially by the electrolysis of a molten mixture of aluminium oxide and cryolite.
Explain, in terms of reactivity, why reduction with carbon cannot be used to extract aluminium from aluminium oxide.
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.