Answer:CuFeS2
Answer:concentration, dressing, benefaction
Answer:Zinc blende
Answer: gravity separation
Answer:Argentite
Answer:By adjusting proportion of oil to water or using depressant
Answer:Malachite
Answer: it helps removing the impurities like SiO2, Fe2O3 etc. from the bauxite ore
Answer:HgS
Answer: Mg
Answer: limestone which changes impurities into oxides and pass into slag
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