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The non-metal ions lose electrons to the anode (this is called oxidation) and are discharged as non-metal atoms which often combine to form molecules. In this way, elements that are present in ionic compounds can be separated by electrolysis. This method is used for the extraction of some metals from their ore.See for example lead bromide, magnesium chloride, potassium chloride, sodium chloride and zinc chloride.he non-metal ions lose electrons to the anode (this is called oxidation) and are discharged as non-metal atoms which often combine to form molecules. In this way, elements that are present in ionic compounds can be separated by electrolysis. This method is used for the extraction of some metals from their ore.
Metals are extracted from ores. An ore is a rock that contains  enough of a mineral (metal compound) for the metal to be extracted  from it.Most metals are extracted from a â¦ n ore by reduction with  carbon or by electrolysis.o to extract a metal from an ore, you need to use an element higher up in t â¦ he reactivity series, so that the metal will be replaced by the other element, and you are left with a more pure form of the metal.