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Q.3) Name the following.
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1. Passivation is a process through which a thin film of corrosion products builds on a metal surface to serve as a barrier against oxidation. The formation of a passivation layer is affected by environmental pH, temperature, and chemical conditions.
2. Rusting is an oxidation reaction. The iron reacts with water and oxygen to form hydrated iron(III) oxide, which we see as rust. ... Anhydrous calcium chloride removes water vapour from the air. Salt dissolved in water does not cause rusting, but it does speed it up – as does acid rain.
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1.Galvanization
2.combustion
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