Question

describe how protein is tested in food in two line
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Answer 1

Answer:

Put the food item into a test tube. Add 10 drops of water and shake the test tube. Using a dropper add two drops of copper sulphate solution to the test tube. ... Violet colour indicates the presence of proteins in the tested food item.

Answer 2

Answer:

using cuso4 and naoh. if the sample turns violet it contains proteins.