MARTIN SHIELDS / SCIENCE PHOTO LIBRARY MARTIN SHIELDS / SCIENCE PHOTO LIBRARY
Benedict's Solution, or Benedict's Reagent, is used to test for the presence of simple sugars. The reagent consists of copper sulphate which interacts with reducing sugars like monosaccharides and some disaccharides to make a coloured product. Here the heated blue Benedict's Solution has turned from blue to orange indicating the presence of sugar in milk.
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