Chlorine gas reacts when heated with aluminium foil to form aluminium chloride.
Give the name of one halogen that would react with heated aluminium foil less vigorously than chlorine.
Practise Edexcel GCSE Chemistry Group 7 with exam-style questions for Foundation and Higher tier. 87 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.