General Princip...

In the electrolytic method for obtaining aluminium from purified bauxite, cryolite is added to

During the process of electrolytic refining of copper, some metals present as impurity settle as 'anode mud'. These are

Refining of impure copper with zinc impurity is to be done by electrolysis using electrodes as

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

Impurities of Cu and Ag from gold are removed by

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

Metallic silver may be obtained from AgCl by

During the extraction of copper, the impurity (FeS) is removed as slag by mixing the contaminated copper ore with silica and coke. The molecular formula of slag is

Identify the reaction that does not take place during the smelting process of extraction.

Electrochemical process (electrolysis of fused salt) is employed to extract