1.

Which of the following is a reducing sugarA. GalactoseB. Gluconic acidC. `beta`-methyl galactosideD. Sucrose

Answer» Correct Answer - A
Glucose, fructose, mannose, galactose are hexose monosaccharides. The monosaccharirdes have free aldehyde or ketone group which can reduce `Cu^(2+)" to "Cu.` Therefore, these are called reducing sugars.


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