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Which one of the following ores is best ...

Which one of the following ores is best concentrated by froth flotation method:

A

Galena

B

Cassiterite

C

Magnetite

D

Malachite

Text Solution

Verified by Experts

The correct Answer is:
A
Only galena (PbS) is a sulphide ore. Cassiterite is `SnO_(2)`, magnetite is `Fe_(3)O_(4)` and malachite is `Cu(OH)_(2).CuCO_(3)`. Froth-floatation process is used to concentrate sulphide ores.
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(a) Why is it that only sulphide ores are concentrated by froth floatation process ? or Why is the froth floatation process selected for the concentrated of sulphide ores ? (b) Which of the following ores can be concentrated by froth floatation method and why ? Fe_2O _ 3, ZnS, Al_2O _ 3

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

Knowledge Check

  • Which one of the following ores is best concentrated by froth floation method

    A
    Siderite
    B
    Galena
    C
    Malachite
    D
    Magnetite

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

    A
    Galena
    B
    Malachite
    C
    Magnetite
    D
    Siderite

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

    A
    magnetite
    B
    Siderite
    C
    Galena
    D
    Malachite

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