An iron nail was placed in boiling tube C, which contained boiled distilled water covered with a layer of cooking oil. After one week, the iron nail did not rust.
Explain why the nail did not rust in these conditions.
Practise Edexcel GCSE Chemistry Transition metals, alloys and corrosion with exam-style questions for Foundation and Higher tier. 97 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.
