Silver mirror test

Silver mirror test

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Caption: Silver mirror test. This test is used to distinguish aldehydes from ketones. Tollen's reagent (ammoniacal silver nitrate) and ethanol are added to a solution. If the solution contains aldehydes, the ethanol reduces the silver ions to metallic silver, which deposits on the inside of the reaction vessel. The test tube can be placed in a beaker of warm water (as here) to speed up the reaction.

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Keywords: aldehyde, ammoniacal silver nitrate, analysis, analytical chemistry, beaker, chemical, chemistry, clamp, equipment, ethanol, experiment, glassware, identifying, ketone, lab, laboratory, laboratory equipment, metallic silver, positive result, reacting, reaction, reagents, red background, school science, silver mirror test, silvering, studio shot, test tube, testing, tollen's reagent, tollens reagent

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