Which of the following methods is NOT used fo | vedclass

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(D) The process of removing gangue from an ore is known as concentration or dressing of ore. Common methods for concentration include Froth flotation,

Vedclass · Accepted Answer

Calcination

Vedclass · Answer

(D) The process of removing gangue from an ore is known as concentration or dressing of ore. Common methods for concentration include Froth flotation,Magnetic separation,and Centrifugation (or Gravity separation). Calcination is a process used in the extraction of metals from concentrated ore,where the ore is heated strongly in the absence of air to convert carbonates into oxides. Therefore,Calcination is a metallurgical process used for refining/extraction,not for the concentration of ore.

Which of the following methods is $NOT$ used for the concentration of an ore?

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