Question

Which of the following is/are true regarding seawater?

(a) It contains 3.4% salt

(b) It has a pH around 8

(c) It is a good electrolyte with high electrical conductivity

(d) Seawater is a good electrolyte with high electrical conductivity with 3.4% salt and pH around 8

I have been asked this question during a job interview.

The doubt is from Environments topic in chapter Other Environments of Corrosion Engineering

Answer 1

Correct choice is (d) Seawater is a good electrolyte with high electrical conductivity with 3.4% salt and pH around 8

The explanation: Seawater is a good electrolyte with high electrical conductivity with 3.4% salt and pH around 8. It can cause galvanic and crevice corrosion to various metals.