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

Sunday

Share
Published by
Sunday
Tags: Biology

Recent Posts

ETM 312 Theory Questions: Land Law and the Consequences of Unauthorized Land Transfers in Nigeria

300 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago

ETM 312 Theory Questions: Co-Ownership Structures and Land Acquisition Methods in Nigeria

200 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago

ETM 312 Theory Questions: Rights in Community Land and Fundamental Land Concepts in Nigeria

200 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago

ETM 312 Theory Questions: Customary Land Control and the Origins of Nigeria’s Land Use Act

200 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago

ETM 312 Theory Questions: Land Ownership Principles and Transaction Laws in Nigeria

200 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago

ETM 226 Theory Questions: Trespass: Types and Defenses in Property Law

200 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago