Suggest a non-metal that could be used for the positive electrode, and justify your choice.
Predict the products formed during the electrolysis of molten magnesium chloride at the positive electrode and at the negative electrode.
Put the statements A, B, C, D, E and F into the correct sequence to show how crystals of hydrated magnesium chloride are prepared.
Describe two other properties of copper that differ from those of magnesium.
Which sample, R, S, T or U, has the same ions as both solution Y and solution Z?
Which sample, R, S, T or U, has different ions from both solution Y and solution Z?
In which sample, R, S, T or U, were the most transition element ions separated?