Umm last minute cram ques for those doing Shipwrecks, for this dot point: "Identify the use of electrolysis as a means of cleaning and stabilising iron, copper and lead artefacts." and the one about electrolysis as a means of cleaning and stabilising, how much detail do we need? My teacher gave me in depth explanations with all these equations and i cannot remember them! Will they ever specify to describe how a certain metal such as copper is clean, stablised and preserved?