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Identify the necessary conditions for the rusting of iron and steel to produce hydrated iron(III) oxide.

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Cambridge IGCSE ChemistryMetalsCore content

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Identify the necessary conditions for the rusting of iron and steel to produce hydrated iron(III) oxide

This point belongs to Corrosion of metals, especially Corrosion of metals outcomes.
You need to be able to identify the necessary conditions for the rusting of iron and steel to produce hydrated iron(III) oxide.
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Paper 3 structured question: Corrosion of metals

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Description

Rusting of Iron

Iron and steel are often used in construction and manufacturing. When exposed to moisture and air, they can rust, leading to structural weaknesses.

a
State the two conditions necessary for rusting to occur.
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[1]

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