Question

A boy added iodine solution to a tablespoon of wheat flour.
A. What will he observe?
B. The presence of which nutrient in wheat
flour can be confirmed by this test?​​

Answer 1

Answer:

A. He will observe a colour change in the iodine solution (The colour will change from brown to violet)

B. Starch

Explanation:

A. Due to the presence of starch in wheat flour, the iodine solution reacts with the starch to form complex organic molecules thus causing a colour change in the solution

B. The presence of starch is being confirmed by this experiment. Wheat flour is about 59.8% starch by volume.

Answer 2

Answer:

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