Iron obtained from blast furnace is known as

Who studied the plots of $\Delta G$ versus $T$?

Which of the following metals is not obtained by electrolysis?

In the metallurgical extraction of copper,the following reaction is used:
$FeO + SiO_{2} \rightarrow FeSiO_{3}$
$FeO$ and $FeSiO_{3}$ respectively are:

$Ag_2S + NaCN + Zn \rightarrow Ag$
This method of extraction of $Ag$ by complex formation and then its displacement is called:

In the $Bessemer$ and $open-hearth$ process for the manufacture of steel,which one of the following is used for the removal of carbon in part or whole?
$Bessemer \to$ $Open-hearth$