Question

Define rusting with give example give three method used to prevent rusting

Answer 1

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✏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.

✏The rusting of iron can be prevented by :

✒painting

✒ oiling

✒greasing

✒ varnishing its surface.

✏Galvanization is another method of protecting iron from rusting by coating iron with this layer of zinc.

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Answer 2

Rust is a reddish brown flaky porous substance formed on the surface of metals.

the gradual eating up of iron metal by the action of air, moisture and chemicals on their surface is called rusting.

$Fe + O_{2} +H_{2}O = Fe_{2}O_{3} * xH_{2}O (rust)$

the chemical name of rust is HYDRATED IRON(III) OXIDE.

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