Explain four methods used for purification of crude metal or refining of crude metal
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These methods include: Distillation: vaporizing the metal and then allowing it to solidify outside of the impurities. Liquation: melting the metal, and allowing it to run out of the solid impurities. Poling: using a green log of wood to reduce oxidized metals
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Distillation,poling,liquation,electrolytic refining
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