Water Purity and Testing Water Purity 3.5 / 5 based on 2 ratings ? ChemistryWater hardness and solubilityGCSEOCR Created by: CamCreated on: 11-06-13 18:33 Where can water be stored? (4 places) Lakes, Rivers, Reservoirs and Aquifers 1 of 6 What are the key stages of Purification? Filtration, Sedimentation and Chlorination 2 of 6 What is added to test for Sulfate ions, and what colour is the precipitate formed? Barium Chloride; white 3 of 6 What colour precipitate does silver nitrate produce when it reacts with Chloride ions? White 4 of 6 What colour precipitate does silver nitrate produce when it reacts with Bromide ions? Cream 5 of 6 What colour precipitate does silver nitrate produce when it reacts with Iodide ions? Pale yellow 6 of 6
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