Out of following how many ores are concentrated by froth flotation ?
`(i)` Chalcopyrite `(ii)` Silver glance
`(iii)` Siderite `(iv)` Malachite
`(v)` Horn silver `(vi)` Fools' gold

which of the following ores can be connected by forth magnetic sepuration method ? (i)Haematite (ii)magnetite(iii)siderite(iv)Fool's gold

Amongest the following , how many ores can be concentrated by froth flotation process : Galena, sphalerit, cassiterite, calamine, chalcocite, haematite, argentite.

Amongest the following , how many ores can be concentrated by froth flotation process : Galena, sphalerit, cassiterite, calamine, chalcocite, haematite, argentite.

The total number of carbonate ores among the following is . ltBRgt (i) Argentite (ii) Calamine (iii) Malachite (iv) Siderite (v) Galena (vi) Magnetite (vii) Dolomite (viii) Cassiterite (ix) Bauxite