C3.2.1 Hard and Soft Water 3.0 / 5 based on 1 rating ? ChemistryWater hardness and solubilityGCSEAQA Created by: Clare ParryCreated on: 02-05-15 17:58 Contains Calcium and magnesium ions Hard Water 1 of 10 Forms a lather Soft Water 2 of 10 Contains Hydrogencarbonate ions Temporary Hard Water 3 of 10 This reaction (2HCO3 - CO3 + H2O) happens when temporary hard water is boiled. What's the scientific name? Thermal Decomposition 4 of 10 Good for your health as contains Calcium compounds Hard Water 5 of 10 Calcium and Magnesium ions for ppts when ____ softens hard water Sodium Carbonate 6 of 10 A piece of equipment that softens water Ion Exchange Column 7 of 10 Seawater is boiled and the vapours cooled to form pure water Distillation 8 of 10 Our water is.... Safe 9 of 10 Our water isn't... Pure 10 of 10
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