Electroplating Flashcards
What is electroplating?
Coating one metal with a layer of another metal
What is the cathode(-) made of in electroplating?
The object to be plated
What is the anode (+) made of in electroplating?
The metal being used to plate he object
What is the electrolyte in electroplating?
A SALT solution of the metal being used to plate the object e.g. the metal nitrate
What is the function of the anode in electroplating?
To replenish the solution
Where does the metal used for the plating come from?
The electrolyte
Why does the concentration of the solution remain the same in electroplating?
The anode dissolves away into the solution, replacing the metal plated on the object
Examples of metals used in electroplating?
Copper, chromium, silver, tin
Example of how electroplating can prevent corrosion?
Tin-plating of steel cans prevents them from rusting
Example of using electroplating for decoration/aesthetics
Plating jewellery with silver
