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Question

Benedicts reagent test is conducted to confirm the presence of

A
Reducing sugars
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B
Proteins
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C
Polysaccharides like starch
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D
Lipids
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Solution

The correct option is C Reducing sugars
Benedicts reagent is used to confirm the presence of reducing sugars. The addition of this reagent to a sample containing reducing sugar gives reddish precipitate on boiling. This is due to the oxidation of reducing sugars by copper ions in solution to form red coloured precipitate of copper I oxide.
Thus, the correct answer is option A.

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