Question

Class 8ScienceChemical Effects of Electric Current

What are the advantages and disadvantages of electroplating?

Verified Answer

Electroplating is a very useful process. It is widely used in industry for coating metal objects with a thin layer of different metal. The advantages and disadvantages of electroplating are:

Advantages:

  • It protects the metals from being corroded.
  • It prevents the rusting of metals.
  • It makes cheap and dull metals shiny and attractive.
  • It can make more reactive metals like iron less reactive.
  • Chromium coating on metals give lustre to objects.

Disadvantages:

  • Pollutants from electroplating industries are very harmful. Some chemicals are very lethal for both human and animals.

· It is an expensive process.