Which one of the following ores is best concentrated by froth floatation method ?
Magnetite
Siderite
Galena
Malachite
As we learnt in
Froth floatation method is mainly used for sulphide ores because because of differential meeting tendencies of impurities and the ore, eg: galena (PbS).
Option 1)
Magnetite
This option is incorrect.
Option 2)
Siderite
This option is incorrect.
Option 3)
Galena
This option is correct.
Option 4)
Malachite
This option is incorrect.
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