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Question

The confirmation of the presence of carbohydrate in a food item can be done by using:


A

Iodine

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B

Copper sulphate solution

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C

Caustic soda

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D

Limestone powder

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Solution

The correct option is A

Iodine


The iodine test is used for confirming the presence of carbohydrates, specifically starch, in food. Starch turns blue-black on reacting with iodine.


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