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an iron oxide used as pigment and iron ore

An Iron Oxide Used As Pigment And Iron Ore

Iron oxides are chemical compounds composed of iron and oxygen There are sixteen known iron oxides and oxyhydroxides the best known of which is rust a form of iron oxide Iron oxides and oxyhydroxides are widespread in nature and play an important role in many geological and biological processes They are used as iron ores pigments catalysts and in thermite and occur in hemoglobin Iron oxides

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