ore - Rocks which contain minerals which are worth extracting, oxides - How most metals ores are found, carbon - this non metal can be used to displace metals less reactive than itself, reduction - When oxygen is taken away from a compound, oxidation - When something combines with oxygen, electrolysis - A costly process to extract more reactive metals from their ores using electricity, blast furnace - iron oxide + carbon → iron + carbon dioxide, leaching - Used to extract copper from rocks containing 1%. Involves the adding acid, bioleaching - Used to extract copper from rocks containing 1%. Involves the use of special bacteira, Phytomining - Uses special plants to absorb copper ions.,

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