Water 0.0 / 5 ? ChemistryWater hardness and solubilityGCSEAQA Created by: AVD1302Created on: 05-04-14 20:07 This is one of the two ions that causes water to become hard 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 By adding this chemical, both temporary hard and hard water is removed Washingsoda 6 of 13 Water can run through an...........to remove Mg and Ca ions Ionexchangecolumn 7 of 13 This experiment is used to compare the hardness of water samples Titration 8 of 13 This is where most of our drinking water comes from Reservoirs 9 of 13 To purify water it is first passed through a..........to remove large objects Mesh screen 10 of 13 This chemical is added at the final stage of purification Chlorine 11 of 13 This method produces totally pure water Distillation 12 of 13 This is sometimes added to water and improves dental conditions Fluoride 13 of 13
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