metals

Question 1

electroplating

Answer 1

Electroplating is the use of electrolysis to form a metal coating on another solid substance.

Question 2

. Purification of copper

Answer 2

pure copper at the cathode
The impure copper anode dissolves, forming copper ions in solution and impurities which fall to the bottom of beaker. The copper anode wears away. The copper ions at the cathode gain electrons to form a layer of pure copper which builds up on the cathode.

Question 3

why is the reactivity series important

Answer 3

helps u predict whether reactions can happen based on the metals reactivity