Science Additional 0.0 / 5 ? Applied ScienceChemistryGCSEEdexcel Created by: rebeccacthompsonCreated on: 06-05-15 19:09 Cation Loses an electron, positive 1 of 7 Anion Gains an electron, negative 2 of 7 All nitrates... Are soluble 3 of 7 What are barium meals? Barium sulphate in barium meal is drunken by patient to diagnose problems in intestines, shows up white on xray, insoluble so doesnt dissolve in blood 4 of 7 Flame tests Sodium-yellow, Calcium-red, Potassium-lilac, Copper-green/blue 5 of 7 How to test for aqueous chloride ions Dilute nitric acid, then silver nitrate solution, white precipitate formed if present 6 of 7 How to test for aqueous sulphate ions Dilute hydrochloric acid, then barium chloride, white precipitate formed if present 7 of 7
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