Which of the following statements is correct?

  • A
    Black jack is $ZnS$.
  • B
    Sulphide ores are concentrated by the froth flotation method.
  • C
    Parke's process is based on the distribution principle.
  • D
    All are correct.

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Similar Questions

The statement that is $NOT$ correct is:

Which of the following is a non-ferrous alloy?

Which of the following reactions is $NOT$ entropy-driven with reference to extractive metallurgy? (unbalanced reactions)

Match List-$I$ and List-$II$ and select the correct answer using the codes given below the lists :
List-$I$ List-$II$
$I.$ Cyanide process $(1)$ Ultrapure $Ge$
$II.$ Floatation process $(2)$ Dressing of $HgS$
$III.$ Electrolytic reduction $(3)$ Extraction of $Al$
$IV.$ Zone refining $(4)$ Extraction of $Au$

$A$ blast furnace is employed in the smelting of oxide ore with coke and flux in the metallurgy of:

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