Put the petri dish with the copper sulfate solution and electrodes on top of the dish holding the magnets. Provide the lecturer with a 6 to 12 volt, 1 to 2 amp battery or power supply, two wires with ...

such as copper(II) sulfate. The anode (positive electrode) is made from impure copper and the cathode (negative electrode) is made from pure copper. Pure copper forms on the cathode. The slideshow ...

Copper ions in solution moving between two electrodes in a magnetic field produce a swirling motion that can easily be displayed on an overhead projector. Place some pepper on the surface of the ...

investigate the electrolysis of copper sulfate solution with inert electrodes and copper electrodes Edexcel questions courtesy of Pearson Education Ltd. The fertiliser ammonium sulfate was made by ...