Which of the following is electrolyzed for the extraction of aluminum?

What does the slag obtained during the extraction of iron primarily consist of?

In the cyanide process involving extraction of silver,zinc is used industrially as an

In the process of extraction of gold,roasted gold ore reacts as follows. Identify the complexes $[X]$ and $[Y]$:
$\text{Roasted gold ore} + CN^{-} + H_2O \xrightarrow{O_2} [X] + OH^{-}$
$[X] + Zn \to [Y] + Au$

In the cyanide process involving the extraction of silver,zinc is used industrially as a(an)

The product obtained after Bessemerization is called .......... because ..........