Biology WAEC

Why did the student add the dilute hydrochloric acid to the sugar solution in step ll? To

A student used the following steps in testing for a non-reducing sugar.

I. added Benedict’s solution to the sugar solution

ll. added dilute hydrochloric acid to the sugar and boiled it;

lll. added sodium hydroxide solution to the solution in ll. and boiled;

IV. added Benedict’s solution to the cooled solution in lll.

Use this information above to answer the question.

A. oxidize the sugar solution
B. hydrolyse the sugar solution
C. dry the sugar solution
D. increase the volume of the sugar solution

Correct Answer: Option B

B. hydrolyse the sugar solution

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