11. Which of the following is a characteristic of a galvanic cell?
a) It requires an external source of electrical energy to operate
b) It converts electrical energy into chemical energy
c) It has a positive cell potential
d) It operates at very high temperatures
12. Which of the following is a characteristic of an electrolytic cell?
a) It requires an external source of electrical energy to operate
b) It converts electrical energy into chemical energy
c) It has a negative cell potential
d) It operates at very high temperatures
13. In a galvanic cell, where does oxidation occur?
a) Anode
b) Cathode
c) Salt bridge
d) Electrolyte
14. In an electrolytic cell, where does reduction occur?
a) Anode
b) Cathode
c) Salt bridge
d) Electrolyte
15. Which of the following is a common example of a fuel cell?
a) Lead-acid battery
b) Alkaline battery
c) Hydrogen fuel cell
d) Lithium-ion battery
