We extract copper metal from copper chloride solution using electrolysis.
We use electrolysis to break water molecules down into hydrogen and oxygen.
We separate the ions in copper dichromate gel using electrolysis.
We look at how the mass of wire wool changes when it is burned.
We use magnesium and blocks of dry ice to show how a redox reaction occurs.
We discover how to extract lead from lead(II) oxide.
We create a rapidly expanding column of foam by mixing chemicals.
We demonstrate an endothermic reaction by mixing hydrated barium hydroxide with ammonium thiocyanate.