29. In extraction of copper, the flux used is
(a) CaO
(b) SiO2
(c) FeO
(d) FeSiO3
29. In extraction of copper, the flux used is
(a) CaO
(b) SiO2
(c) FeO
(d) FeSiO3
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Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago