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What role does moisture play in the rusting of iron?

Answer and explanation

Correct answer: It accelerates rusting by providing a medium for ion movement.

Rusting is an electrochemical process that requires both oxygen and water. A thin layer of moisture allows ions to move, accelerating oxidation of iron and formation of rust. In contrast, moisture does not block oxygen; iron rusts faster in moist air than in dry air.

Related tags

ScienceClass 10Chemical ReactionsRustingMoistureIron Corrosion

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