What is the electrolysis of molten $NaCl$?

• A
  The process of decomposing $NaCl$ into $Na$ and $Cl_2$ using electricity.
• B
  The process of dissolving $NaCl$ in water.
• C
  The process of reacting $NaCl$ with $H_2O$.
• D
  The process of heating $NaCl$ to its melting point.