Solutions of transition metals

Solutions of transition metals

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This image is part of the sequence Science and technology: Transition metal solutions

Credit: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Caption: Solutions of transition metals. From left to right are: Cobalt (II) chloride (CoCl2). Iron (II) chloride (FeCl2). Iron (III) chloride (FeCl3). Copper (II) chloride (CuCl2). When sodium hydroxide is added to these solutions a distinctive coloured precipitate of insoluble salt is formed which helps to identify them. This can be used in forensics as well as chemistry.

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Keywords: chemical, chemistry, cobalt (ii) chloride, copper ii chloride, experiment, forensics, iron (ii) chloride, iron (iii) chloride, no-one, nobody, salt, science, sodium hydroxide, solution, solutions, test tube, transition metal, transition metals, white background

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