WAEC Biology 2015 Objective — Question 24
Question 24 of 50 from the West African Examinations Council (WAEC) Biology 2015 Objective paper, with the correct answer and a full explanation.
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The colour change to be observed in step IV is
- A. blue-black
- B. brick redCorrect
- C. purple
- D. violet
Explanation
After the hydrolysis and neutralization, Benedict's test on the resulting reducing sugar gives a colour change to brick-red.
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