Yes it is true elsectroplating is involves in chemical and physical change but all these is happened on surface of metal by action of the oxidation or reduction.
Chemical change gives by following process as :
Lot of energy of requires,
New substance formed,
And process is irriversiable .
e. g. Rusting of iron,
Photosynthesis,
Burring of kerosene,
Raising cake batter,
Frying egg.
All these examples Shows the chemical change.