what is rust? give equation.
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it is a reddish brown substance formed on metal objects as a result of corrosion
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formula is usually written as Fe2O3.nH2O. Formation of rust occurs when the iron is exposed longer time to the water in presence of sun and air or in absence of sun forms rust on iron. Given sufficient time, oxygen, and water, any iron mass will eventually convert entirely to rust and disintegrate.
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when the iron react with air(or )water it will form brown flaky substance is called rust.
fe+o2-fe2o3
fe+o2-fe2o3
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