The albumin (white part) of egg gives violet color with the solution of copper sulfate and caustic soda. On the basis of this, we can say that________ is present in it.

Carbohydrate

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Protein

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Vitamin

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Fats

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Solution

The correct option is B
Protein

If a food gives violet color with the solution of copper sulfate and caustic soda, we can say that protein is present in it. The solution of copper sulfate and caustic soda is called 'biuret solution'. It is blue in color and turns to violet colour upon reacting with proteins.

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