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What is the use of water in Hydrolysis of Starch to Syrup and Dextrose?

What is the use of water in Hydrolysis of Starch to Syrup and Dextrose? Correct Answer Bonds cleavage

In hydrolysis of Starch to Sirup and Dextrose, in presence of water the catalytic effect of acids is to cleave these glucosidic linkages and at the same time introduce the elements of water at the point of cleavage.

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