Which metal is extracted from bauxite ore?

58 Name the electrode at which aluminium metal is produced. 58 Which gas is produced during the extraction of aluminium? At which electrode is this gas produced? 59 Give the name of one ore of iron. Which iron compound is present in this ore ? Write its chemical formula. 59 Describe the extraction of zinc metal from its sulphide ore (zinc blende). Write equations of the reactions involved.