The solution is readily decomposed on the addition of sodium or potassium bicarbonates, with liberation of iodine. [Please select]
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Hence clear lime-water forms a good test for the presence of bicarbonates of lime or iron in a water. [Please select]
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_ as bicarbonates, you add some clear lime-water, and a white precipitate is produced, you have a proof of carbonate of lime--hardness. [Please select]
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