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Extraction of Metals The History of Metals Metals have been used by people for many thousands of years Gold and silver, found as native metal, were used...
Know MoreReactive metals such as aluminium are extracted by electrolysis, while less-reactive metals such as iron may be extracted by reduction with carbon or ....
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Know MoreTitle: The Extraction Of Metals and The Preparation and Collection Of Non-Metals Author: Avinash Last modified by: jourdano Created Date: 1/13/2008 8:53:35 PM...
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Know MoreThe extraction of metals from low grade ores using plants Plant roots absorb metals in the soil, the plants are then burnt to produce a metal rich ash The metal is ....
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