(10) How does zone refining method help to refine impure metals.
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Zone refining is a technique to get highly pure crystals of impure elements (specially metals) by using melting and crystallization processes. In this a narrow region of the crystal is heated so that impurities get melted and forms a molten zone which moves along the crystal.
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Zone refining is a technique to get highly pure crystals of impure elements (especially metals) by using melting and crystallization processes. In this, a narrow region of the crystal is heated so that impurities get melted and forms a molten zone that moves along the crystal.
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