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Tarnishing of silver is an example of which type of corrosion?(a) Crevice corrosion(b) Pitting corrosion(c) Uniform corrosion(d) Erosion corrosionThis question was addressed to me during an interview for a job.I need to ask this question from Eight Forms in section Eight Forms of Corrosion of Corrosion Engineering

Answer»

Correct answer is (c) Uniform corrosion

Explanation: Outermost layers of SILVER undergoes a chemical reaction with hydrogen sulfide results in tarnish. This is known as the TARNISHING of silver. Metals like brass, copper, aluminum, silver, and MAGNESIUM undergoes tarnishing under VARIOUS corrosive ENVIRONMENTS.



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