Passing an ELECTRIC CURRENT through ionic substances that are MOLTEN or in a SOLUTION breaks them down.
This process is called ELECTROLYSIS
When an ionic substance is melted or dissolved in water, the ions are free to move about in the liquid
During electrolysis, POSITIVELY charged ions move to the NEGATIVELY charged electrode (CATHODE) and NEGATIVELY charged ions move to the POSITIVE electrode (ANODE)
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