• Certain metals like Na, Al, Mg, Ca, Zn, Cu, etc., are extracted from their ores by electrolysis
• Caustic soda is prepared by the electrolysis of sodium chloride solution.
• Oxygen and hydrogen are obtained commercially by the electrolysis of acidulated water.
• Electrolysis is used for nerve stimulation especially for polio, removing unwanted hairs on any part of the body, etc.