An analytical chemist is testing a solid sample of industrial waste to confirm the presence of ammonium (NH4+\text{NH}_4^+NH4+) ions.
Describe how the chemist should perform this test on the solid sample and how they can confirm that ammonium ions are present.
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.
