MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Iron precipitation. Experiment showing the formation of a precipitate of an iron (II) salt. When sodium hydroxide is added to a solution of iron (II) chloride (left) a precipitate of an insoluble salt is formed in a reaction (right). The result is solid iron ii hydroxide in a solution of sodium chloride.
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