Anonymous
10 Oct 2020
Test for starch | Food chemistry | Chemistry
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This activity shows which foods contain starch. The indicator used is iodine. Iodine, a yellowish brown liquid, when added to rice and potato turns blue black. This is because when iodine reacts with starch, it forms a complex made up of polyiodide chains. Such a reaction is not seen when iodine is added to sugar and salt.
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