Testing for Negative Ions

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Testing for Negative Ions - Carbonates

  • ACID + CARBONATE --> SALT + WATER + CO2
  • LIMEWATER TEST
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Testing for Negative Ions - Halides

  • HALIDE IONS: CHLORIDE, BROMIDE, IODIDE
  • HALIDE ION+ DILUTE NITRIC ACID (HNO3) + SILVER NITRATE SOLUTION (AgNO3) --> COLOURED PRECIPITATE

CHLORIDE

  • WHITE 
  • SILVER CHLORIDE

BROMIDE

  • CREAM
  • SILVER BROMIDE

IODIDE

  • YELLOW
  • SILVER IODIDE
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