Heating of ores are called

Which reduse feric oxide present in the charge to spongy Iron.

Hydrated alumina is heated to give back pure Al₂O₃ .The temperature require is

_________ is the most swignificant thermodynamic concept which help the metallurgical transformations .

From there a form of clay is

The slag formed in blast furnace is

Heating of ores are called

The reduction of Zinc oxide is done using

In the electrolytic cell for the extraction of Al  ,the gases formed in anode are

Sphalexite is