$AgCl$ on fusion with sodium carbonate,gives

Identify the reaction that does not take place in a blast furnace.

Which metals are extracted using the self-reduction method?

Lead is mainly extracted by

The Ellingham diagram for zinc,magnesium and carbon converting into corresponding oxides is shown below.
At $........$ $^oC$ temperature,zinc and carbon have equal affinity for oxygen.

In metallurgy,aluminum acts as a .....