Question

Which of the following zone(s) of given Pourbaix diagrams indicate a passive zone?

a.

Zone 1 and 2

b.

Zone 2 and 3

c.

Zone 2, 3 and 6

d.

Zone 4 and 5

Posted under Corrosion Engineering

Answer: (d).Zone 4 and 5

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Q. Which of the following zone(s) of given Pourbaix diagrams indicate a passive zone?

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