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Q. Which of the following are reducing sugars?
$\underset {(A)}{\text{Sucrose}}, \underset{(B)}{\text{Maltose}}, \underset{(C)}{\text{Lactose}}, \underset{(D)}{\text{Fructose}} $

TS EAMCET 2019

Solution:

The species which contain free $- CHO$ group are reducing sugars.

(A) Sucrose is a non-reducing sugar.

(B) Maltose is a reducing sugar.

(C) Lactose is a reducing sugar.

(D) Fructose is a reducing sugar.