Detection of Urinary Sugars and Reducing Substances

Ungraded Practice Question

The Clinitest® reaction is based on the principle that:

Please select the single best answer

reducing substances will reduce copper in a hot alkali solution
reducing substances will change color in the presence of heat
reducing substances will react with aromatic amines in hot acid solution to produce colored derivatives
reducing substances will oxidize ortho-toluidine, forming a blue color

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