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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.
Mn y y Explain why energy input is necessary to extract a metal from its ore Chemical reactions used to extract metals from its ore either absorb or release heat. aircraft bodies Dental amalgam Cupro-nickel Goldish coin Stainless steel Duralumin Hg. water and oxygen metal + acid salt + hydrogen gas eg.n y y Explain why energy input is necessary to extract a metal from its ore Chemical reactions used to extract metals from its ore either absorb or release heat. aircraft bodies Dental amalgam Cupro-nickel Goldish coin Stainless steel Duralumin Hg. water and oxygen metal + acid salt + hydrogen gas eg.