A student used the following steps in testing for a non-reducing sugar. I. added Benedict's...
BIOLOGY
WAEC 2015
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.
The colour change to be observed in step IV is
- A. blue-black
- B. brick-red
- C. purple
- D. violet
Correct Answer: B. brick-red
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