Molten lithium chloride, LiCl\text{LiCl}LiCl, is electrolysed. Which substance is formed at the cathode?
Lithium
Chlorine
Hydrogen
Oxygen
Practise OCR GCSE Chemistry Electrolysis with exam-style questions for Foundation and Higher tier. 45 questions, matched to the OCR GCSE Chemistry (J248) specification and written in Paper 1 and Paper 2 (Foundation Tier) or Paper 3 and Paper 4 (Higher Tier) 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.