Question

why do we paint iron articles?

Answer 1

we paint iron articles to prevent them from getting rusted.
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Answer 2

iron articles are painted to protect them from the corrosion many chemical reactions that occur around us are the oxidation reactions for example rusting of iron who is that react with the environment and one among them and get started with the Britain brown coloured layer and the slow destruction of iron due to its interaction with the environment is called corrosion takes place on the exposed surface to prevent the corrosion with coat the surface with the paint oil grease or vanish we deposit on it a thin layer of any other metal which does not corrode for example coating iron with zinc bras with chromium accept