Chemistry, asked by raneeshcr5490, 10 months ago

froth flaotation and roasting

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Answered by suanshgill

Answer:Often before roasting, the ore has already been partially purified, e.g. by froth flotation. The concentrate is mixed with other materials to facilitate the process. ... During roasting, the sulfide is converted to an oxide, and sulfur is released as sulfur dioxide, a gas.

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