Q39 / 116 · NTA Abhyas (NEET) 2020 · Chemistry · General Principles and Processes of Isolation of Metals

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

  • A
    Malachite
  • B
    Magnetite
  • C
    Siderite
  • Correct answer
    D
    Galena

Solution

Froth floatation method is mainly applicable for sulphide ores.
(A) Malachite ores: (Cu(OH)2.CuCO3
(B) Magnetic ore: Fe3O4
(C) Siderite ore: FeCO3
(D) Galena ore: PbS (Sulphide ore)

Hence, the correct answer is option: 'D'.

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