| A | B |
|---|
| anode | +ve electrode |
| cathode | -ve electrode |
| electrolysis | chemical breakdown of a substance caused by the passage of an electric current |
| bauxite | aluminium containing ore |
| brine | another name for salt solution |
| electrode | where the electric current enters and leaves the electrolysis cell |
| chlorine | obtained at the anode when brine is electrolysed |
| hydrogen | obtained at the cathode when brine is electrolysed |
| sodium hydroxide | left in solution when brine is electrolysed |
| electroplating | to cover one metal with another using electrolysis |
| copper | obtained very pure by using electrolysis |
