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Which enzyme is used to hydrolyse starch to maltose to manufacture ethanol by fermentation?

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Which enzyme is used to hydrolyse starch to maltose to manufacture ethanol by fermentation?

(a) Diastase

(b) Alpha-Amylase

(c) Lipase

(d) Beta-Amylase

The question was asked during an interview.

Asked question is from C2 Compounds topic in division Synthetic Organic Chemical Industries of Chemical Technology

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Correct choice is (a) Diastase

Explanation: Diastase catalyses the breakdown of starch into maltose. Lipase is an enzyme that catalyses the hydrolysis of lipids. Amylase breaks down complex carbohydrates to starch.

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