Anion tests (copy)

Test for carbonate and result

React with dilute acid, then test for carbon dioxide gas - bubbles/fizzing, carbon dioxide produced

Test for Chloride and result

Acidify with dilute nitric acid and add silver nitrate - white precipitate

Test for Bromide and result

Acidify with dilute nitric acid and add silver nitrate - cream precipitate

Test for Iodide and result

Acidify with dilute nitric acid and add silver nitrate - yellow precipitate

Test for Nitrate and result

Add aqueous sodium hydroxide then aluminium foil; warm - ammonia produced: damp litmus turns blue (test for ammonia)

Test for sulphate and result

Acidify with dilute nitric acid then add barium nitrate - white precipitate

Test for sulphite and result

Add a small volume of acidified aqueous potassium manganate(vii) - purple → colourless