Q.

Which carbohydrate is used in silvering of mirrors?

A. Fructose
B. Sucrose
C. Glucose
D. Starch
Answer» C. Glucose
Explanation: Glucose is used in silvering of mirror as a reducing agent. Aldehydes such as glucose reduce Ag+ (aq) ions to metallic silver. They themselves are oxidised to carboxylate ions.
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