Why do we apply paint on iron articles?

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Er. gauri vishal kirola

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to prevent them from the process called rusting ..
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Math Magician, Physics

to prevent rust... when the surface of metal objects like iron gets directly contact with oxyzen and moisture air they loss their shining ,strength and hardness ...to prevent it from in contact with atmosphere we paint to iron objects
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iron in its native state reacts with Oxygen in presence of water available in the atmosphere ( though slowly at ambient temepratures and pressures) forming Iron Oxide. Iron oxide forms on the surface as a thin layer and gets accumulated further changing the reacted iron to the "inorganic salt" brittle...
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iron in its native state reacts with Oxygen in presence of water available in the atmosphere ( though slowly at ambient temepratures and pressures) forming Iron Oxide. Iron oxide forms on the surface as a thin layer and gets accumulated further changing the reacted iron to the "inorganic salt" brittle salt Iron Oxide, we call "rust". The surface of iron is therefore coated with paint which is polymer and does not react with oxygen or moisture thus preventing exposure of Iron to atmosphere. Painted or coated Iron therefore lasts longer without weakening through rust formation. read less
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Iron articles are painted to prevent them from rusting. After painting iron surface does not come in contact with moisture and air which cause rusting.
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Professional Tutor with 15 years of experience.

Iron articles are painted to prevent them from rusting. After painting iron surface does not come in contact with moisture and air which cause rusting.
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Tuitions and Home Tuitions

When iron comes in contact with air oxygen layer covers it and forms Iron oxide and when it comes in Contact with moisture it start corroding So in order to prevent that,iron is painted
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To prevent from corrosion
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Learn to grow

To avoid rusting of iron
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To avoid rusting or corrosion of iron.
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polite,patient,experienced hardworking dedicated

To prevent rust.
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