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Using iodine solution, Biuret test, Benedict reagents and ethanol, respectively in testing for reducing sugars,...

Using iodine solution, Biuret test, Benedict reagents and ethanol, respectively in testing for reducing
sugars, which of the following trends of colour changes would be observed?

A.
Blue → black → blue → brown → clear
B.
Brown → blue → brick red → clear
C.
Brown → violet → blue → clear
D.
Brown → blue → violet → milky?

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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