Fluorspar is actually CaF2, not BF3. BF3 does not represent Fluorspar, which makes option (1) incorrect.
So, the correct answer is : Option (1)
Electrolysis of 600 mL aqueous solution of NaCl for 5 min changes the pH of the solution to 12. The current in Amperes used for the given electrolysis is ….. (Nearest integer).