In thermite process, what is the reducing agent used?

Which of the following metals cannot be extracted via hydrometallurgy?

What is the net reaction in Hall-Heroult process?

What is the voltage at which electrolysis of brine takes place?

What is the criterion of the feasibility of a reaction at any temperature?

Roasting results in the formation of oxides. But why are oxide ores are subjected to roasting?

Which of the following is present in aluminium bronze alloy?

When is the ore subjected to leach?