Extraction of aluminium form alumina is done by _____.

Write the role of : (i) NaCn in the extraction of gold from its ore. (ii) Cryolite in the extraction of aluminium from pure alumina. (iii) Co in the purification of Nickel.

Write the role of : (i) NaCn in the extraction of gold from its ore. (ii) Cryolite in the extraction of aluminium from pure alumina. (iii) Co in the purification of Nickel.

Extraction of aluminium from aluminium oxide (Al_(2)//O_(3)) is het done by

In the extraction of aluminium from alumina by electrolysis, cryolite is added to

Describe the role of (i) NaCN in the extraction of gold from its ore. (ii) Cryolite in the extraction of aluminium from pure alumina (iii) CO in the purification of Nickel.

Describe the Hall-Heroult's process for the extraction of aluminium from alumina. Draw a labelled diagram for the process.

Explain the extraction of aluminium from purified alumina by Hall-Heroult process.

Answer the question based on the extraction of aluminium from alumina by Hall Heroult's Process : Name the electrode, from which aluminium is collected.

Answer the question based on the extraction of aluminium from alumina by Hall Heroult's Process : What is sprinkled on top of the electrolyte ?