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Which of the following metals in which corrosion decreases with an increase in temperature in oxygenated corrosive solutions?

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Which of the following metals in which corrosion decreases with an increase in temperature in oxygenated corrosive solutions?

(a) Copper and its alloys

(b) Steels

(c) Cast irons

(d) Aluminum and its alloys

I got this question during an online exam.

The question is from Testing topic in division Corrosion Testing of Corrosion Engineering

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Right option is (a) Copper and its alloys

To elaborate: Temperature is one of the important factors of corrosion. In many cases, an increase in temperature increases the corrosion rate of metals. Whereas it decreases in copper alloys due to the removal of dissolved oxygen.

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