In the diagram (right) you are to drag the correct statement box to the yellow rectangles.

Press 'SCORE' to see how many boxes stayed in position because they were correctly placed.

Press the button marked 'RESET' to return moveable labels to their original positions.

Answer questions on the effect on current of changes in voltage, separation of electrodes or concentration of solution.

Click here  to see explanations of the results of electrolysis.