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Chemical Tests

Cations

  • Lithium: Flame test colour- Red
  • Sodium: Flame test colour- Yellow/Orange
  • Potassium: Flame test colour- Lilac
  • Magnesium: Flame test colour- No colour.  Wet test- Add sodium hydroxyde (NaOH), white precipitate formed (Mg(OH)2)
  • Calcium: Flame test colour- Brick-red.  Wet test- Add sodium hydroxyde (NaOH), white precipitate formed (Ca(OH)2)
  • Aluminium: Flame test colour- No colour.  Wet test- Add sodium hydroxyde (NaOH),

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