Purifying water 0.0 / 5 ? ChemistryWater hardness and solubilityGCSEAQA Created by: AVD1302Created on: 05-04-14 18:55 This ion causes water hardness Magnesium 1 of 13 What is the name of the layer formed around a kettle with hard water? Scale 2 of 13 This ion (present in hard water) is good for your teeth and bones Calcium 3 of 13 This ion causes temporary hardness Hydrogencarbonate 4 of 13 This process removes temporary hardness Boiling 5 of 13 This addition removes both temporary and permanent hardness Washingsoda 6 of 13 Water can run through an............to remove the Ca and Mg ions Ionexchangecollumn 7 of 13 This experiment is used to compare hardness of water samples Titration 8 of 13 This is where most of our drinking water comes from Reservoirs 9 of 13 The water first passes through a..........to remove large objects Meshscreen 10 of 13 This chemical is added at the final stage of water purification Chlorine 11 of 13 This method produces totally pure water with nothing in it Distillation 12 of 13 This is sometimes added to water and improves dental conditions Fluoride 13 of 13
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