Aluminium is extracted from its ore, bauxite, using electrolysis rather than by heating aluminium oxide with carbon.
State why aluminium cannot be extracted from aluminium oxide by heating with carbon.
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.