Concentration Cell Self Test

Gapfill exercise

Fill in each of the blanks with one suggested keyword. You can get some hints by 'clicking' on the question mark button. However this will cost you some points. 'Click' on the check button to assess your answers.

Enter your answers in the gaps. When you have entered all the answers, click on the "Check" button.

   anodic      concentration cell      differences      electrolyte      impermeable      sites   

The existence of anodic and cathodic on the surface of a piece of metal implies that in electrical potential are found on the surface. These potential differences have a number of causes. One important mechanism is oxygen corrosion, in which the oxygen concentration in the varies from place to place. An underground pipe that passes from clay to gravel will have a high oxygen concentration in the gravel region and almost no oxygen in the clay. The part of the pipe in contact with the clay becomes and suffers damage.

Corrosion Doctors site map