How to understand extraction of all metals completly

1.	How to understand extraction of all metals completly
Answer» The method used to extract a metal from its ore depends upon the stability of its compound in the ore, which in turn depends upon the reactivity of the metal:the oxides of very reactive metals, such as aluminium, form stable oxides and other compounds. A lot of energy is needed to reduce them to extract the metal.the oxides of lesser reactive metals, such as iron, form less stable oxides and other compounds. Relatively little energy is needed to reduce them to extract the metal.So, the method of extraction of a metal from its ore depends on the metal\'s position in the reactivity series.Reactivity and extraction methodMetal\tReactivitypotassiumsodiumcalciummagnesiumaluminiumextract by electrolysiscarbon\tzincirontinleadextract by reaction with carbon or carbon monoxidehydrogen\tcoppersilvergoldplatinumextracted by various chemical reactionsReactive metals such as aluminium are extracted by electrolysis, while a less-reactive metal such as iron may be extracted by reduction with carbon. Gold, because it is so unreactive, is found as the native metal and not as a compound, so it does not need to be chemically separated. However, chemical reactions may be needed to remove other elements that might contaminate the metal. You should watch lectures of examfear on youtube

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