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Answer:(i) Voltaic cell
A voltaic cell is a device that uses a chemical reaction to produce electrical energy.
a. Electron flow
b. Voltmeter or lightbulb
c. Electron flow
d. Cathode or Cu
e. Cu²⁺(aq) and NO₃⁻(aq)
f. Salt bridge
g. Zn²⁺(aq)
h. Anode or Zn