Corrosion quiz 6

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Corrosion quiz 6

Practice quiz for corrosion students AND anyone appearing for CP certification

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Ions move through _____, while electrons move through_____. *

1 point

Electrical connection, electrolyte

Both through electrolyte

Both through electrical path

electrolyte, electrical connection

Hydrogen evolution involves _____ *

1 point

3 hydrogen ions combining together to give H2 gas

2 hydrogen molecule dissolving in electrolyte to give H+ ions

2 hydrogen ions combining together to give H2 gas

None of the above

The reaction O2 + 2H2O + 4e- = 4OH- is ___________ *

1 point

anodic

cathodic

Can change between anodic and cathodic

Does not occur at all

Corrosion cell does not need which of the following?

1 point

Electrolyte

Cathode

Metallic path

Needs all of the above

Clear selection

The reaction Fe = Fe2+ + 2e- is ________ *

1 point

anodic

cathodic

both

neither of the two

Submit

Clear form

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