Water 0.0 / 5 ? ChemistryWater hardness and solubilityGCSEAQA Created by: AVD1302Created on: 05-04-14 20:07 10376421895 Across 1. This is sometimes added to water and improves dental conditions (8) 5. This ion causes temporary hardness (17) 6. This ion (present in hard water) is good for your teeth and bones (7) 8. This chemical is added at the final stage of purification (8) Down 2. This experiment is used to compare the hardness of water samples (9) 3. By adding this chemical, both temporary hard and hard water is removed (11) 4. This process removes temporary hardness (7) 7. This method produces totally pure water (12) 9. What is the name of the layer formed around a kettle with hard water? (5) 10. Water can run through an...........to remove Mg and Ca ions (17)
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