Question

why we apply paint on articles...​

Answer 1

Answer:

We apply paint on articles for two reasons-

1.To prevent the article from corrosion (in terms of chemistry)

2.to reduce friction (in terms of physics)

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Answer 2

Answer:

because many metal are oxidation

I take one example of iron metal are rusting

Explanation:

Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture. Several forms of rust are distinguishable both visually and by spectroscopy, and form under different circumstances.