Regarding the basic open-hearth process,which statement is wrong?

  • A
    Limestone is added to the charge
  • B
    Phosphorus impurity cannot be removed by this process
  • C
    Carbon content of the steel can be uniformly controlled over a series of batches
  • D
    Iron scrap can be utilized

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Similar Questions

Leaching of gold with dilute aqueous solution of $NaCN$ in presence of oxygen gives complex $[A]$,which on reaction with zinc forms the elemental gold and another complex $[B]$. $[A]$ and $[B],$ respectively are ...... .

Assertion : Zinc can be used while copper cannot be used in the recovery of $Ag$ from the complex $[Ag(CN)_2]^-$.
Reason : Zinc is a more powerful reducing agent than copper.

Which of the following oxide groups cannot be reduced by carbon?

$A$ layer of coke is spread over bauxite during the electrolytic reduction of alumina by the Hall-Heroult process. This layer acts as a/an:

In the extraction of copper,metal is formed in the Bessemer converter due to the reaction:

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