An aqueous sodium chloride solution with a high concentration can be electrolysed. Which statement is correct?
- AHydrogen gas is formed at the anode, and chlorine gas is formed at the cathode.
- BHydrogen gas is formed at the cathode, and chlorine gas is formed at the anode.
- CSodium metal is formed at the anode, and chlorine gas is formed at the cathode.
- DSodium metal is formed at the cathode, and chlorine gas is formed at the anode.