Question

Write the procedure you followed to test the components in the given food items .a)potato b)egg

Answer 1

for potato we can add iodine which confirms presence of starch as it will turn blue.

for egg we can add CuSo4 solution it will turn violet which indicates presence of protein

Answer 2

Potato mainly contains starch.

At first, the potato needs to be cut into two halves and using a dropper two drops of iodine is dropped on it slices.

The color changes to blue-black or purple suggesting that there is starch in the potato.

Egg contains proteins and fat and some minerals.

Eggs are tested physically of the components, and one of the methods is handling.

One can test the internal properties of an egg with the same tests that are done for testing proteins and fats in a product.