ayushjha152009 ayushjha152009
  • 02-09-2020
  • Computers and Technology
contestada

1. Rice paste changes from white to blue black colour when a few drops of iodine solution are added to it. It shows the presence of _______ *

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marisabelm116
marisabelm116 marisabelm116
  • 02-09-2020

Answer:

Blue black

Explanation:

Because of the presence of starch. When iodine comes in contact with starch, it forms starch Iodide complex because iodine gets stuck in the beta coils in the structure of amylose of starch. The starch iodide complex gives blue-black colour.

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