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Home > Chemistry > Revision videos > Electrolysis: electroplating

Chemistry

Electrolysis: electroplating

Electrolysis: electroplating

Electroplating is an application of electrolysis. This video shows a demonstration of how a coin can be electroplated with zinc.

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Key learning points:

  • Electrolysis is splitting a compound into its elements using electricity.
  • Electrolysis is used to electroplate metals.
  • Electroplating is when one metal is covered with another metal.
  • To electroplate an object it must be attached to the negative terminal of a battery or dc power supply.

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