Practise AQA A Level Chemistry Aldehydes and ketones (A-level only) with exam-style questions for A Level Chemistry. 14 questions covering Aldehydes and ketones (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.