What is rust?

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Abhishek Wadhawan

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Rust is the formation of reddish brown layer on the surface of metal or alloy ,which contains iron , due to chemical reaction between iron and moisture from the surroundings. The chemical formed on the surface is iron oxide(Fe2O3). Rust makes the metal weaker and rough that's why we need to protect the...
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Rust is the formation of reddish brown layer on the surface of metal or alloy ,which contains iron , due to chemical reaction between iron and moisture from the surroundings. The chemical formed on the surface is iron oxide(Fe2O3). Rust makes the metal weaker and rough that's why we need to protect the metal from exposure to air. read less
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a brown flaking coating of iron oxide that is formed on iron or steel by oxidation, especially in the presence of moisture.
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Rust is another name for iron oxide.
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Rust is just iron oxide, usually with water molecules incorporated in it
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Math Magician

When the water molecules present in atmosphere reacts with objects made up of Iron or alloys(Alloys are objects which are made up of multiple elements in a fixed ratio)containing iron,this converts the iron into a brown dust like material which is known as rust. Chemical Formula of rust:Fe2O3.x(H2O...
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A reddish-brown oxide coating formed on iron or steel by the action of oxygen and moisture.
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Experienced Professional with 12 Years of Experience in Industrial Sector, R&D and Academics

a reddish- or yellowish-brown flaking coating of iron oxide that is formed on iron or steel by oxidation, especially in the presence of moisture
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Science Field

Rust in general is used for the oxidizing of Fe(2+) to Fe(3+),here the iron is oxidize and thus rusting occurs.Rusting can be in any of the alloy of iron or other
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a reddish- or yellowish-brown flaking coating of iron oxide that is formed on iron or steel by oxidation, especially in the presence of moisture.
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Reddish-brown colour layer deposited at the surface of the metal.
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