The slag obtained during the extraction of copper pyrites is compos...

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The slag obtained during the extraction of copper pyrites is composed mainly of-
(1) \( \mathrm{Cu}_{2} \mathrm{~S} \)
(2) \( \mathrm{FeSiO}_{3} \)
(3) \( \mathrm{CuSiO}_{3} \)
(4) \( \mathrm{SiO}_{2} \)
\( \mathrm{P} \)
W
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