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Rust is caused when iron comes into direct contact with water and oxygen. Technically, rust comes from a chemical reaction between carbon dioxide from the air, water and the iron. Rusting is an oxidation reaction. More »

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According to the University of California Santa Barbara, iron rusts faster in saltwater because of the conductivity of dissociated ions and electrolysis actions accelerating corrosion. In layman's terms, the rusting proc... More »

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Clean rust from cast iron by washing it with soap and water, heating the metal, adding vegetable oil and salt, and rubbing with a paper towel or newspaper. Replace the salt and oil as necessary, and wipe the pan clean. P... More »

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Iron rusts when it comes in contact with oxygen and water. It rusts faster in acid rain and salty water. Both oxygen and water are necessary for rusting, which is an oxidation reaction. More »

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Three things are required for rust to develop: iron, water and oxygen. Rust, also known as iron oxide, occurs when water begins to react with carbon dioxide in the air to form a very weak carbonic acid, which causes the ... More »

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Elevated temperature, immersion in a humid and oxygen rich environment, contact with a metal that is lower in the electrochemical series, and mechanical agitation are conditions that cause an iron nail to rust faster. Ru... More »

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Rust forms on iron due to an oxidation reaction that occurs when it comes into contact with oxygen and water. The reaction of iron, oxygen and water forms hydrated iron(III) oxide, which is known as rust. Acid rain or sa... More »

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