Question

If you leave a piece of iron in the open for a few days, it acquires a film
of brownish substance called rust ,write a word equation for the above chemical change

Answer 1

Answer:

Rusting is a slow oxidation process where iron comes in contact with moist air and produces a flaky brown substance called rust or hydrated ferric oxide. Rusting is a chemical change which slowly destroys iron articles.

The process of rusting can be represented in this equation:

4Fe (Iron) + 3O₂ (Oxygen from air) + xH₂O (Water) ➝ 2Fe₂O₃.xH₂O (Rust)

Hope it helps! :)

Answer 2

Answer:

The following chemical equation represents the reaction: 4Fe + 3O2 → 2Fe2O3.

Explanation:

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