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Need explanation for: Which one of the following ores is best concentrated by froth floatation method ?

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

  • Option 1)

    Magnetite

  • Option 2)

    Siderite

  • Option 3)

     Galena

     

  • Option 4)

     Malachite

     

 
Answers (1)
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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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