Aim: To test the presence of Protein in the given food item.1. What do

1.	Aim: To test the presence of Protein in the given food item.1. What do you need?2. How to do?3. What do you see?4. What do you learn?
Answer» 1. Egg white, Copper sulphate solution, Sodium hydroxide, Test tube and Bunsen burner. 2. Take a small amount of the food sample (egg white) and put in the test tube. Add some water to the test tube and shake it. Next, heat the test tube for about one minute. After the test tube has cooled down, add two drops each of Copper sulphate solution and Sodium hydroxide to it. 3. The food sample turns purple or violet. 4. Change in colour of the given food sample turns purple or violet confirms the presence of Protein.

Aim: To test the presence of Protein in the given food item.1. What do you need?2. How to do?3. What do you see?4. What do you learn?

Answer»

1. Egg white, Copper sulphate solution, Sodium hydroxide, Test tube and Bunsen burner.

2. Take a small amount of the food sample (egg white) and put in the test tube. Add some water to the test tube and shake it. Next, heat the test tube for about one minute. After the test tube has cooled down, add two drops each of Copper sulphate solution and Sodium hydroxide to it.

3. The food sample turns purple or violet.

4. Change in colour of the given food sample turns purple or violet confirms the presence of Protein.

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