Question

What would happen when the following food items are tested for starch.Write the result of each item? (a)potato (b) egg (c) oil (d) Roti

Answer 1

potato will turn blue black or purple as it contains starch

egg and oil will remain same

But toto contains starch so it will turn black blue or purple

hope it helps

Answer 2

Answer:

Starch Test: Add Iodine-KI reagent to a solution or directly on a potato or other materials such as bread, crackers, or flour. A blue-black color results if starch is present. If starch amylose is not present, then the color will stay orange or yellow.