Water Purification Quiz C4 0.0 / 5 ? ScienceChemistryGCSEOCR Created by: CrayolaCreationCreated on: 02-06-13 11:14 Pollutants such as nitrates and ...... get into water before purification Pesticides 1 of 11 What gets into the water after water purification? Lead 2 of 11 Four ways of getting water: rivers, aquafers, lakes and...? Reservoir 3 of 11 3rd step of water purification chlorination 4 of 11 2nd step of water purification filtration 5 of 11 1st step of water purification sedimentation 6 of 11 What must be used to remove the dissolved substances? Distillation 7 of 11 What do precipitation reactions use? Silver nitrate and ...? Barium Chloride 8 of 11 What colour preciptate is barium sulfate? white 9 of 11 What colour preciptate is silver bromide? cream 10 of 11 What colour preciptate is silver iodine? yellow 11 of 11
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