qualitative analysis 0.0 / 5 ? ChemistryAnalysing substancesGCSEAQA Created by: apidwellCreated on: 08-06-16 08:04 What colour flame is seen if Lithium is present? Crimson / Red 1 of 16 What colour flame is seen if Sodium is present? Orange 2 of 16 What colour flame is seen if Potassium is present? Purple / Lilac 3 of 16 What colour flame is seen if Cacium is present? Brick Red 4 of 16 What colour flame is seen if Barium is present? Green 5 of 16 How do we test for a chloride ion and what is seen? Add silver nitrate - white precipitate 6 of 16 How do we test for a Bromide ion and what is seen? Add silver nitrate - cream precipitate 7 of 16 How do we test for a Iodide ion and what is seen? Add silver nitrate - Yellow precipitate 8 of 16 How do we test for a Sulphate ion and what is seen? Add barium chloride - White precipitate 9 of 16 How do we test for a carbonate ion and what is seen? Add nitric acid - observe fizzing / effervesence 10 of 16 How do we test for a copper ion Add soium hydroxide - blue precipitate 11 of 16 How do we test for an Iron (II) ion Add soium hydroxide - green precipitate 12 of 16 How do we test for an Iron (II) ion Add soium hydroxide - orange precipitate 13 of 16 How do we test for a calcium or magnesium ion? Add soium hydroxide -white precipitate - insoluble in excess 14 of 16 How do we test for an aluminium ion Add soium hydroxide - white precipitate - soluble in excess 15 of 16 How we we distinguish bewteen calcium and magnesium ions? Calcium gives a red flame; magnesium gives no colour 16 of 16
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