Write whole activity done by you to prove that presence of proteins in our diet.

Explanation

Aim : To confirm the presence of proteins in a given food sample .
Materials : 2 drops of copper sulphate solution, 10 drops of sodium hydroxide solution test tube, dropper.
Procedure :
1) Take the given food sample in a test tube.
2) Add 2 drops of copper sulphate solution and 10 drops of sodium hydroxide solution to the food sample.
3) Shake well and keep the test tube in a stand for a few minutes.
4)v If the food sample turns violet colours, it contains proteins.