an iron nail kept open in the atmosphere rusts.give reasons!
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Causes of Rust. Since one of the chemical reactions that causes rust requires the presence of water and the second reaction requires oxygen, rust can only form when both water and oxygen can reach the iron molecules in the nail. ... Steel rusts as well as iron because it is an alloy chiefly composed of iron
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the iron nail gets rust because of oxidation .... it reacts with oxygen and gets corroded.... also it reacts with the vapour in the air,that is water
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