write any three methods of preventing oxidation
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Rust is a chemical reaction (oxidation) of iron that occurs over a period of time as the bare metal surface comes in contact with oxygen present in the air or water. Rust "eats" away the metal, rendering it weak and fragile. Therefore, any maneuver that prevents the direct physical contact of iron with oxygen present in air or water will prevent rust formation.
1 Paint It - Paint the bare metal with any durable acrylic paint. Do not use water-soluable paints, since they will only worsen the rust. Rust will form underneath this type of paint.
2 Coat It With Oil - Use of oil or grease significantly reduces the chances of developing rust in iron. Basically, grease or oil form a protective layer over iron just as paint does and therefore prevents rust formation.
3 Other Considerations - Use stainless steel wherever and whenever possible. Steel is an alloy (metallic mixture) of iron and zinc. Presence of zinc in iron decreases the oxidation of iron, and minimal rust formation occurs.
1 Paint It - Paint the bare metal with any durable acrylic paint. Do not use water-soluable paints, since they will only worsen the rust. Rust will form underneath this type of paint.
2 Coat It With Oil - Use of oil or grease significantly reduces the chances of developing rust in iron. Basically, grease or oil form a protective layer over iron just as paint does and therefore prevents rust formation.
3 Other Considerations - Use stainless steel wherever and whenever possible. Steel is an alloy (metallic mixture) of iron and zinc. Presence of zinc in iron decreases the oxidation of iron, and minimal rust formation occurs.
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1. By painting
2. By using galvanisation process
3. By preventing from moisture and air
2. By using galvanisation process
3. By preventing from moisture and air
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