Question

What is the difference between galvanizing and electroplating?

Answer 1

Using galvanization process prevention of corrosion is possible on the metal surface. Ex: Iron Bridge can be protected from rusting bygalvanizing the iron using zinc protects. 
Electroplating: The cations are converted into atoms at the cathode and form a layer on it, called as electroplating.

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Answer 2

Galvanization means the process of coating a layer of zinc on other metal

Electroplating involves the coating of metal with a zinc , tin or chromium layer using electricity

Hope it was helpful
With regards
Keerthana☺