Practise AQA A Level Chemistry Reactions of ions in aqueous solution (A-level only) with exam-style questions for A Level Chemistry. 23 questions covering Reactions of ions in aqueous solution (A-level only), matched to the AQA A Level Chemistry (7405) specification and written in Paper 1, Paper 2 and Paper 3 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.