Question

point
1. When two drops of
lodine solution are put on
a substance, we get blue-
black colour. This indicates
the presence of
O proteins
O fats
O vitamins
O carbohydrates
What is the answer

Answer 1

Answer:

When few drops of iodine fall on starch substance, blue- black colour is observed. This is because of the formation of starch-iodine complex that gives blue colour. Thus, this property of Iodine is generally used to test the presence of starch.

Explanation:

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