Question

Mention the materials required to test the
presence of starch in a given food item. ​

Answer 1

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To test the presence of starch in the given food sample. Apparatus and materials required: Test tubes, test-tube stand, test-tube holder, spirit lamp, dropper, filter paper, iodine solution, distilled water, and foodstuff (potato, rice, wheat or maize grains).

Answer 2

Answer:

To know the presence of starch in any given sample of food, the iodine test can be performed. In this, iodine solution is used. In this, few drops of iodine solution is added to the food sample. If starch is present in a food item, it will turn blue-black colour.

Explanation:

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