Question

Condition necessary for rusting of iron and how rusting is harmful

Answer 1

Answer:Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture. ... Surface rust is flaky and friable, and it provides no protection to the underlying iron, unlike the formation of patina on copper surfaces.

Explanation:

Answer 2

Answer:

Conditions for rusting

moisture in air or the metal should be in contact with water for rusting.

Explanation:

For protect machines from rusting

greasing and paint the metal time to time.

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