Question

chemical formula of rust is...........? ​

Answer 1

The chemical formula of rust is Fe2O3.

It is because rust is nothing other than ferrous (Iron) ocide. When iron reacts with moisture in the air and oxygen, It leads to the formation of a layer on the surface of the iron known as Ironic oxide or ferrous oxide. The colour of rust is usually red.

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Answer 2

Answer:

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Explanation:

Rust is an iron oxide, a usually reddish brown oxide formed by the reaction of iron and oxygen in the presence of water or air moisture. Several forms of rust are distinguishable both visually and by spectroscopy, and form under different circumstances.

Rust consists of hydrated iron(III) oxides Fe2O3·nH2O and iron(III) oxide-hydroxide (FeO(OH), Fe(OH)3). It is typically associated with the corrosion of refined iron.

Given sufficient time, any iron mass, in the presence of water and oxygen, could eventually convert entirely to rust. Surface rust is commonly flaky and friable, and it provides no protection to the underlying iron, unlike the formation of patina on copper surfaces. Rusting is the common term for corrosion of iron and its alloys, such as steel. Many other metals undergo similar corrosion, but the resulting oxides are not commonly called rust.

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