Explain the Following Factor Affecting the Rate of Corrosion: Purity of Metal - Applied Chemistry 2

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Short Note

Explain the following factor affecting the rate of corrosion: 
Purity of Metal

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Solution

Purity of Metal: If metals are impure,then impurities present in them cause heterogeneity which gives rise to small electro chemical cells at the sites where metal & impurities are exposed top environment,& thus corrosion starts affecting the entire metal.

Concept: Factors Affecting the Rate of Corrosion Purity of Metal
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2016-2017 (June) CBCGS
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