What is electrolysis?
Electrical energy from a direct current supply decomposes electrolytes
What are electrolytes?
An ionic substance with freely moving ions and can conduct electricity
What is an electrode?
A rod made of metal or graphite which carried the current into or out the electrolyte
What do cations attract?
Positive ions
What do anions attract?
Negative ions
What does OILRIG stand for?
Oxidation Is Lose Reduction Is Gain
What is oxidation?
Loss of electrons
What is reduction?
Gain of electrons
What happens at the anode?
Oxidation
What happens at the cathode?
Reduction