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Question

The confirmation of the presence of carbohydrate can be done using:


A

Caustic soda

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B

Copper sulphate solution

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C

Iodine

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D

Limestone powder

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Solution

The correct option is C

Iodine


The iodine test is used for testing carbohydrates, specifically starch. Food containing starch will turn the brown colour of the iodine solution to blue-black. Iodine solution acts as an indicator to check the presence of carbohydrates.


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