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Dezincification of brass is prevented by addition of ________

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Dezincification of brass is prevented by addition of ________

(a) Nickel

(b) Zinc

(c) Arsenic

(d) Tungsten

This question was posed to me during an interview.

My question comes from Corrosion and Oxidation Control topic in chapter Imperfection in Metal Crystals, Fracture, Corrosion and Oxidation of Engineering Material & Metallurgy

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Correct answer is (c) Arsenic

The best I can explain: Dezincification is a special type of corrosion that occurs in alpha brass. It can be controlled by adding 0.04% of arsenic to brass.

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