| A | B |
| Electrolysis can be used to | produce hydrogen and oxygen |
| Negative terminal | cathode |
| Positive terminal | anode |
| Electroplating uses an | electric current |
| The third most most common element | aluminum |
| Chemical cells have two different metals | and a conductive solution |
| To produce aluminum a large | amount of electricity is required |
| The ore of aluminum | bauxite |
| Chlorine is used to | make pesticides |
| Bleaching paper requires | chlorine |