Which one of the following electrolysis is used in Down's process of extracting sodium mealt ?

Which one of the following electrolysis is used in Down's process of e

1.	Which one of the following electrolysis is used in Down's process of extracting sodium mealt ?
Answer» `NACI+KCI+KF` `NaCI` `NaOH+KCI+KF` `NaCI+NaOH` ANSWER :A