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21 November, 04:41

What are you testing for when you use lugols solution

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  1. 21 November, 04:57
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    You are testing for the presence of starch: Iodine dissolved in an aqueous solution of potassium iodide - reacts with starch producing a deep blue-black color. This reaction is the result of the formation of polyiodide chains from the reaction of starch and iodine.
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