A paste of food item was taken in a test-tubeand to it was added a few – McqOptions

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1.	A paste of food item was taken in a test-tubeand to it was added a few drops of coppersulphate solution followed by caustic sodasolution. A violet colour was observed in the test-tube after a few minutes. It shown the presence of which one of the following components in the food sample?
A.	Proteins
B.	Carbohydrates
C.	Fats
D.	None of these
Answer» B. Carbohydrates

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