BBC4 年
GCSE Chemistry / Science: Investigate electrolysis of aqueous solutions using inert electrodes
The ions present when sodium chloride dissolves in water are: sodium ions, chloride ions, hydrogen ions and hydroxide ions. There are various different ways of carrying out electrolysis.
BBC1 年
Electrolysis - Edexcel Electrolysis of solutions
The volume of hydrogen given off is twice the volume of oxygen given off.