Test for anions

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7 Terms

1
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Test for carbonate

  • Add dilute acid

  • Test for co2

Effervescence, co2 produced

2
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Test for chloride(in solution)

  • acidify with dilute nitric acid

  • Add aqueous silver nitrate

White ppt

3
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Test for bromide(in solution)

  • Acidify with nitric acid

  • Add aqueous silver nitrate

Cream ppt

4
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Test for iodide(in solution)

  • Acidify with dilute nitric acid

  • Add aqueous silver nitrate

Yellow ppt

5
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Test for nitrate(in solution)

  • Add aqueous sodium hydroxide

  • Add aluminium foil

  • Warm carefully

Ammonia produced

6
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Test for sulfate(in solution)

  • Acidify with dilute nitric acid

  • Add aqueous barium nitrate

White ppl

7
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Test for sulfite

  • Add a small volume of acidified aqueous potassium manganate(VII)

Colour change from purple to colourless