What is done to prevent iron from rusting ?
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The ways to prevent the rusting of iron are:
(i) Oiling, painting, or greasing:
- When we apply oil, grease, or paint, then the surface becomes waterproof and the moisture and oxygen present in the air cannot come into direct contact with iron.
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Explanation:
(i)Galvanizing is a method of rust prevention. This is accomplished through hot-dip galvanizing or electroplating. The iron or steel object is coated in a thin layer of zinc. This stops oxygen and water from reaching the metal underneath but the zinc also acts as a sacrificial metal.
(ii) Oiling, painting, or greasing:
When we apply oil, grease, or paint, then the surface becomes waterproof and the moisture and oxygen present in the air cannot come into direct contact with iron.
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