The difference is that :-
*Reducing sugar: is a carbohydrate that is oxidized by a weak oxidizing agent in basic aqueous solution.The characteristic property of reducing sugar is that,in aqueous medium,they generate one or more compounds containing an aldehyde group.
*Invert sugar: is a mixture of equal parts of glucose and fructose resulting from the hydrolysis of sucrose.It is found naturally in fruits and honey.
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