Question

Iron articles are often coated with paint.
Give reasons.
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Answer 1

Answer:

Paint is applied to the iron articles to prevent them from corrosion by rust. Rust is an iron oxide, usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture. Paint prevents iron from getting exposed to air and moisture.

Answer 2

Answer:

Iron particles on coming in contact with moisture will start rusting also known as corosssion... thats why they are covered by paint