Extraction of metals/Aluminium

Definitions

 * Cathode &mdash; Negative electrode
 * Positively charged ions (cations) collect at the cathode
 * Anode &mdash; Positive electrode
 * Negatively charged ions (anions) collect at the anode

The extraction process

 * Aluminium is extracted from its ore by electrolysis
 * This takes place in an iron bath lined with graphite called a cell
 * The graphite lining acts as the cathode
 * A series of graphite blocks act as the anode(s)
 * Pintu Aluminium