During electrolysis,the species discharged at the cathode are:

Carnallite on electrolysis gives :

Which of the following substances is a good conductor of electricity?

Write the reactions for the following electrolytic processes:
$A$. Electrolytic reaction of concentrated aqueous solution of $NaCl$ (Brine).
$B$. Electrolytic reaction of dilute aqueous solution of $NaCl$.

If an aqueous solution of $NaF$ is electrolysed between inert electrodes,the product obtained at anode is

When fused $NaCl$ undergoes electrolysis,the product formed at the cathode is: