Iron and many other metals react with oxygen and moisture present in the atmosphere. This phenomenon is called corrosion. The process of slow eating away of a metal due to the attack of atmospheric gases and moisture on its surface is called corrosion.
• Iron reacts with oxygen and moisture present in the atmosphere to form a brown, flaky substance called rust. Rusting of iron in an undesirable reaction because the layer of rust formed falls off, exposing the metal to further rusting.
Both air and water are needed together to rust the iron. The only way to prevent iron from rusting is to keep air and water away from it. It can be done by:
Rusting of iron can be prevented by ______________ | |||
Right Option : D | |||
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Iron is shiny gray initially but after some time forms the layer of hydrated Iron (III) oxide in the presence of _____________________ | |||
Right Option : B | |||
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Silver articles become _________________ after some time when exposed to air. | |||
Right Option : A | |||
View Explanation |
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