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Rust is nothing but Ferrous oxide, also known as iron oxide, Iron (III) oxide, or Fe2O3. The outermost layer of the iron, which is in contact with the atmosphere, attracts oxygen and forms iron oxide which is called rusting. The rust itself forms a layer over the iron and prevents further iron oxide formation.

When iron rusts the red substance formed is actually a mixture of Hydrated Iron(III) oxides and hydroxides.

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8y ago
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15y ago

Iron Oxide, e.g. Rust

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Q: What product is formed when iron rusts?
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