White of an egg turns violet when two drops of copper sulphate and ten – McqOptions

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1.	White of an egg turns violet when two drops of copper sulphate and ten drops of caustic soda are added to it. This indicates the presence of which of the following components of food?
A.	Starch
B.	Proteins
C.	Fats
D.	Vitamins
Answer» C. Fats

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