Which one of the following ores is best conce | vedclass

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(A) The froth floatation method is primarily used for the concentration of sulphide ores because sulphide ores are preferentially wetted by oil,while

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Galena

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(A) The froth floatation method is primarily used for the concentration of sulphide ores because sulphide ores are preferentially wetted by oil,while gangue particles are wetted by water.$1$. Malachite: $Cu(OH)_2 \cdot CuCO_3$ (Carbonate ore)$2$. Magnetite: $Fe_3O_4$ (Oxide ore)$3$. Siderite: $FeCO_3$ (Carbonate ore)$4$. Galena: $PbS$ (Sulphide ore)Since $PbS$ is a sulphide ore,it is best concentrated by the froth floatation method.

Which one of the following ores is best concentrated by froth floatation method?

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