Iron (II) hydroxide precipitate

Iron (II) hydroxide precipitate

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Credit: ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY

Caption: Iron (II) hydroxide precipitate formed by adding sodium hydroxide (NaOH) to a solution containing iron (II) ions. Iron (II) hydroxide (Fe(OH)2) is precipitated out of solution as a dark green gelatinous solid. Addition of sodium hydroxide is used as a test for positive metal ions in solution.

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Keywords: alkaline, analysis, analytical, apparatus, chemical, chemistry, experiment, glassware, insoluble, ions, iron ii hydroxide, laboratory, precipitate, precipitating, precipitation, reacting, reaction, salt, sodium, solid, solution, test, test tube, testing

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