Safe water 0.0 / 5 ? ChemistryWater hardness and solubilityGCSEEdexcel Created by: emmamamamaCreated on: 04-03-14 19:06 What is Chlorine an example of? A halogen. 1 of 5 how can the halide ions be identified? by adding silver nitrate solution with dilute nitric acid. 2 of 5 What colour precipitate does a chloride, bromide and iodide solution make? in order white, cream and yellow. 3 of 5 how do ammonium ions get into water? they are used on fertilisers by farmers and can get washed into lakes and rivers. 4 of 5 what is the test for ammonium ions in water, and what are the results? warm it up with sodium hydroxide solution, it gives off a smelly alkaline gas called ammonia, it turns damp red litmus paper blue. 5 of 5
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