You are given two unlabeled bottles containing colorless solutions. One solution contains magnesium ions (Mg2+\text{Mg}^{2+}Mg2+) and the other contains aluminium ions (Al3+\text{Al}^{3+}Al3+).
Devise a plan to identify which solution is which, using chemical tests.
Practise Edexcel GCSE Chemistry Qualitative analysis: tests for ions with exam-style questions for Foundation and Higher tier. 127 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.
