test for anions

• give anions tested

  • carbonates
  • sulfates
  • halides
• describe test for carbonate

  1. add hydrochloric acid
  2. turn limewater cloudy
• describe test for sulfates

  1. add hydrochloric acid
  2. add barium chloride
  3. form white precipitate
• describe test for halides

  1. add nitric acid
  2. add silver nitrate
  3. form coloured precipitate
• give coloured precipitates for halides

  chloride - white

  bromide - cream

  iodide - yellow