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)。
Data 27 de april 2007 (according to Exif data)
Origine No machine-readable source provided. Own work assumed (based on copyright claims).
Autor No machine-readable author provided. Benjah-bmm27 assumed (based on copyright claims).

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Nikon D50 anglese

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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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1 100 pixel

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actual18:55, 27 april 2007Miniatura pro le version de 18:55, 27 april 20071 100 × 404 (246 KB)Benjah-bmm27{{PD-user|Benjah-bmm27}} Category:Solutions

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