Bessemerization is involved in the extraction of which metal?

What is the role of limestone during the extraction of iron from haematite ore?

During the electrolytic reduction of alumina,two auxiliary electrolytes $X$ and $Y$ are added to increase the electrical conductance and lower the melting point of the mixture. $X$ and $Y$ are:

Aluminium is extracted from alumina $Al_2O_3$ by electrolysis of a molten mixture of

Which methods are used for the extraction of $Pb$ and $Sn$ from their respective ores?

The Ellingham diagram for zinc,magnesium,and carbon converting into corresponding oxides is shown below. At $1100 \, ^oC$,which reaction is spontaneous to a maximum extent?