Question

What o you mean by rusting?State
the conditions necessary for it.
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Answer 1

Answer:

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 Fe²O.

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Answer 2

Answer:

Rusting of iron takes place in the presence of moisture and air. So the presence of air and water vapour in air are two necessary conditions for rusting of iron.

(or)

the corrosion of iron material due to moisture, air or chemicals is given a special name known as Rusting.

The conditions necessary for rusting are -

Air (oxygen)

Water ( moisture )

They both should be there.

Continuous rusting makes the iron material useless.