File:Coloured-transition-metal-solutions.jpg

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Description
English: From left to right, aqueous solutions of: cobalt(II) nitrate, Co(NO3)2 (red); potassium dichromate, K2Cr2O7 (orange); potassium chromate, K2CrO4 (yellow); nickel(II) chloride, NiCl2 (green); copper(II) sulfate, CuSO4 (blue); potassium permanganate, KMnO4 (violet).
Français : De gauche à droite, des solutions aqueuses de : nitrate de cobalt(II), Co(NO3)2 (rouge); dichromate de potassium, K2Cr2O7 (orange); chromate de potassium, K2CrO4 (jaune); chlorure de nickel(II), NiCl2 (vert); sulfate de cuivre(II), CuSO4 (bleu); permanganate de potassium, KMnO4 (violet).
中文：​从左到右为以下物质的水溶液：硝酸钴，Co(NO3)2（红）；重铬酸钾，K2Cr2O7（橙）；铬酸钾，K2CrO4（黄）；氯化镍，NiCl2（绿）；硫酸铜，CuSO4（蓝）；高锰酸钾，KMnO4（紫）。
Date 27 April 2007 (according to Exif data)
Source No machine-readable source provided. Own work assumed (based on copyright claims).
Author No machine-readable author provided. Benjah-bmm27 assumed (based on copyright claims).

Licensing

Benjah-bmm27, the copyright holder of this work, hereby publishes it under the following licence:
Public domain This work has been released into the public domain by its author, Benjah-bmm27. This applies worldwide.
In some countries this may not be legally possible; if so:
Benjah-bmm27 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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27 April 2007

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image/jpeg

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55443fb4e742ff3db8dcd9595115a32a349f7fd3

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251,742 byte

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404 pixel

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current00:25, 28 April 2007Thumbnail for version as of 00:25, 28 April 20071,100 × 404 (246 KB)wikimediacommons>Benjah-bmm27{{PD-user|Benjah-bmm27}} Category:Solutions

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