How is zinc extracted from its ore?

Answer

Zinc is extracted from its ore by calcination to remove the sulphur converting zinc to an oxide. The next step is to smelt the particular oxide with carbon where it is combined with oxygen to form a gas. Finally, the deoxidised metal distils in vapour and is then precipitated again into the solid form after extraction.
Q&A Related to "How is zinc extracted from its ore?"
Zinc metal is produced using extractive metallurgy. After grinding the ore, froth flotation, which selectively separates minerals from gangue by taking advantage of differences in
http://answers.yahoo.com/question/index?qid=200908...
That makes no sense. Helium has no ore.. Im almost certain helium cant exist as a solid. And if it can, it must be at almost absoute zero.
http://wiki.answers.com/Q/How_is_helium_extracted_...
1. Put on a lab coat, safety gloves and goggles. Place the malachite copper ore into a plastic bag. Insert the plastic bag into a brown paper bag. Proceed to hammer the rock until
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Iron is usually separated from its ores by using heat and sometimes
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