How is the method of extraction of metal high up in reactivity series different from that for metal in the middle by the same process cannot be applied for them explain given equation and extraction of sodium
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Metals low in the reactivity series are very unreactive the oxides of this metals can be reduced to metals by heating alone . while the metals in the middle of the reactivity series like Iron zinc lead copper etc are moderately reactive that are usually present as sulphide and carbonate ores this can be converted into metal oxides by the process of roasting and calcination .after roasting and calcination metal oxides are reduced by using reducing agents such as carbon
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