The maximum temperature that can be achieved in a blast furnace is:

Which among the following processes occurs at $1500 \ K$ in a blast furnace for the extraction of iron?

In the cyanide extraction process of silver from argentite ore,the oxidizing and reducing agents used are

Case hardening is a process of heating steel in an atmosphere of:

Identify $A$ and $B$ respectively in the following reactions:
$4 Au_{(s)} + 8 CN^{-}_{(aq)} + 2 H_2O_{(aq)} + O_{2(g)} \longrightarrow 4 A_{(aq)} + 4 OH^{-}_{(aq)}$
$2 A_{(aq)} + Zn_{(s)} \longrightarrow B_{(aq)} + 2 Au_{(s)}$

Explain the theory of reduction of metal oxides with carbon as a reducing agent,or explain the role of a reducing agent in the reduction of metal oxides.