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nickel extrating from nickle ore

Manganese Minerals,Elemental Manganese,Manganese …

Manganese is named from a corruption of the latin word for magnestism; magnes, in allusion to its prinicple ore's magnetic properties.

copper extraction and purification - chemguide

The process. The concentrated ore is heated strongly with silicon dioxide (silica) and air or oxygen in a furnace or series of furnaces. The copper(II) ions in the ...