Which of the following processes uses a galvanic cell?

A. Operation of a portable music player
B. Purification of metals such as copper from their metal ores
C. Electrolysis of sodium chloride
D. Electroplating silver metal onto a teapot

Question

Which of the following processes uses a galvanic cell?

 		A.	Operation of a portable music player
 		B.	Purification of metals such as copper from their metal ores
 		C.	Electrolysis of sodium chloride
 		D.	Electroplating silver metal onto a teapot

tatianagomezb · Answer

HINT: do you know the difference between a galvanic cell and an electrolytic cell? 
If you do think about which one applies to each option. If you don't I'll come back :)