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Detecting water. Water being dropped onto cobalt chloride paper. This is paper impregnated with the dihydrate salt of cobalt chloride () whi
Detecting water. Water being dropped onto cobalt chloride paper. This is paper impregnated with the dihydrate salt of cobalt chloride () which is blue. When water is added, the salt is further hydrated to the hexahydrate form () which appears pink.
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Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
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Keywords: analysing, analysis, blue, change, chemical, chemistry, chloride, cobalt, colour, dehydrate, detection, dropping, hexahydrate, paper, pink, pipette, strip, test, testing, water