What are Cathode and Anode? The cathode and anode are essential components of electrochemical and electrolytic systems. They play crucial roles in facilitating various chemical reactions by ...

Copper is purified by electrolysis ... sulfate. The anode (positive electrode) is made from impure copper and the cathode (negative electrode) is made from pure copper. Pure copper forms on ...

Whatever method of electrolysis you are using, they all need: a supply of electrical energy two electrodes, an anode and a cathode - and remember these must be made of a material that conducts ...