ion tests

• What flame colour does Barium produce?

  green
• What flame colour does Potassium produce?

  lilac
• What flame colour does Sodium produce?

  yellow
• What flame colour does Calcium produce?

  brick red
• What flame colour does Lithium produce?

  crimson
• what colour precipitate do chloride ions give?

  white
• what colour precipitate do iodide ions give?

  yellow
• what colour precipitate do bromide ions give?


  cream
• what colour precipitate do copper ions give?


  blue
• what colour precipitate do Fe2+ ions give?

  green
• what colour precipitate do Fe3+ ions give?

  reddish brown
• what is the test for sulphates?

  acidified barium chloride
• What is the test for Halides?


  nitric acid and silver nitrate
• what ion fizzes if you add acid?

  carbonate
• what colour precipitate does aluminium form?

  white
• what colour precipitate does calcium form?

  white
• what colour precipitate does magnesium form?

  white
• how do you differentiate between aluminium, magnesium and calcium precipitates?

  add excess sodium hydroxide, then do a flame test
• what flame colour does magnesium form?

  colourless