A student attempts to identify a metal cation in an unknown salt using a flame test. Instead of using a non-luminous (blue) Bunsen burner flame, they mistakenly use a luminous (yellow-orange) safety flame.
State one reason why using a luminous flame is unsuitable for identifying the metal ion in this test.
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.
