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Lab_3_-_TESTS_for_ANIONS_and_CATIONS

Lab_3_-_TESTS_for_ANIONS_and_CATIONS - Lab Experiment 3...

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Lab Experiment 3: Tests for Anions and Cations Table 1 Tests for Anions Anion Symbol Test Results Bromide Br - Add silver nitrate solution to a solution of substance in dilute nitric acid Pale yellow precipitate, dissolves slightly in ammonia solution. Carbonate CO 3 2- a)Add dilute hydrochloric acid to the substance. b)Add drop of phenolphthalein to a solution of substance. Carbon dioxide gas is given off. Turns bright pink (HCO 3 turns light pink). Chloride Cl - Add silver nitrate to a solution of substance in dilute nitric acid. Thick white precipitate dissolves in ammonia solution. Hydrogen- carbonate HCO 3 2- a)Add dilute hydrochloric acid to the substance. b)Add drop of phenolphthalein to a solution of substance. Carbon dioxide gas is given off. Turns light pink (CO 3 2- turns bright pink). Iodide I- Add silver nitrate to a solution of substance in dilute nitric acid. Pale yellow precipitate, does not dissolve in ammonia solution. Nitrate
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Lab_3_-_TESTS_for_ANIONS_and_CATIONS - Lab Experiment 3...

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