Which of the following processes uses a galvanic cell?

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

1 answer

A galvanic cell is essentially a battery. D is the only one using a battery. Technically, a battery is one or more cells made together as in a car battery. The "batteries" in a flashlight are actually single cells.