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Which of the following metal is used for hydrochloric acid to avoid contamination?

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in Corrosion Engineering by (98.5k points)
Which of the following metal is used for hydrochloric acid to avoid contamination?

(a) Titanium

(b) Tantalum

(c) Molybdenum

(d) Cupronickels

The question was posed to me in an internship interview.

I'd like to ask this question from Mineral Acids in section Mineral Acids of Corrosion Engineering

1 Answer

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Best answer
Right choice is (b) Tantalum

The best explanation: Hydrochloric acid is the most difficult of the common acids to handle regarding corrosion. Tantalum is an expensive metal but it is often used to avoid contamination.

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