If sugar is present solution will turn green, yellow, or brick-red, depending. Register to remove banners from posts I finally thought i had my head around the idea. The Fehling’s solution detects the presence of glucose – as produced by the action of amylase. During the next four to 10 minutes, the solution should begin to change colors.

Fehling’s solution is made by first making two sub-solutions. I think what you saw was a partial change of colour. About Wikipedia; Community portal; Recent changes; Contact Wikipedia. In all three tests colour change was noticed but in the third test MORE colour change. The Naked Scientists science forum supports the naked scientists podcast and radio show. Observe any changes in the color of the liquid (not the chunks of apple).
Fehling's solution

Benedict's reagent contains blue copper(II
Note any color change:,fehling's solution msds,fehling solution reduction,benedict's solution recipe,fehling reagent,how to make benedict solution,how does benedict's reagent work,tollens' reagent msds,positive tollens test

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