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Which of the following metal is highly prone to pitting corrosion?

Which of the following metal is highly prone to pitting corrosion? Correct Answer 18-8 stainless steel by sulfuric acid with FeCl3

Pitting is one of the most destructive and insidious forms of corrosion. 18-8 stainless steel is highly prone to pitting corrosion by sulfuric acid in the presence of FeCl3. Whereas other metals are relatively resistant to pitting. Because it mainly depends on oxide film for its corrosion-resistant.

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