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Question

Discuss Rusting in brief.

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Solution

When a piece of iron is left in open for some time, it acquires a film of brownish substance called rust. The process is known as rusting.

Iron (Fe) + Oxygen (O2) + water (H2O) → Rust (iron oxide) (Fe2O3.H2O)

Both oxygen and water or water vapours are essential for the process of rusting.


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