Many metal ions produce a characteristic colour when heated in a Bunsen burner flame.
Draw one straight line from each metal ion to its correct flame colour in a flame test.
| Metal ion | Flame colour | |
|---|---|---|
| ● Blue-green | ||
| Lithium ion ● | ● Crimson | |
| Calcium ion ● | ● Lilac | |
| Potassium ion ● | ● Orange-red | |
| ● Yellow |
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.
