Question

You have been supplied with a sample of food. How will you perform tests for the presance of starch and proteins in it

Answer 1

Here is the process =
1. take different test tube. pour different food in different test tube.
2. Boil them
3.Extract the water from it.
4.Add pure iodine in it.
5.After pouring u will observe that the test tube containing starch will change it's colour.It turn in blue black colour.
HOPE THIS HELPS U.....