A) Grapes
B) Germinating barley grains
C) Table sugar
D) Mothers milk
Correct Answer: C
Solution :
Sucrose (a disaccharide) is a sugar, the organic compound mainly known as table sugar, cane sugar, beet sugar or usually just sugar. Sucrose found in table sugar is enriched with non-reducing sugar because sucrose is a carbohydrate that is not oxidised by a weak oxidising agent in .basic aqueous solution, i.e., they do not generate any compounds containing an aldehyde group. Sugar found in other given options ore grapes glucose and fructose (in grapes), grains maltose in germinating barley and lactose in mothers milk are all enriched with a reducing sugar, i.e., they has an aldehyde group or are capable of forming one in solution through isomerism.
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