CSI: Crime Scene Investigation at St Michael's RC School

Flame Tests

Identify the white powder:
  1. You have been provided with 4 white powders (labelled 1-4) plus one taken from the crime scene, labelled CS.
  2. Samples 1-4 are from the known chemicals.
  3. Compare the results of the flame tests to identify the powder from the scene of the crime.

Powder sample

Flame colour
calcium chloride red
sodium chloride orange
copper chloride green
potassium chloride lilac
crime scene powder red

 

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