A student carries out two chemical tests on a sample of a white solid to identify the ions present.
| Test | Result | |
|---|---|---|
| Test 1 | Flame test | Brick-red flame |
| Test 2 | Dilute hydrochloric acid is added, followed by barium chloride solution | A dense white precipitate forms |
State the name of the ion shown to be present in the white solid by the result of Test 2.
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.
