Essential Chemistry for IGCSE - Electricity And Chemistry (Section 5 - No. 39)
What is the key difference between a voltaic cell and an electrolytic cell?
Voltaic cells use electricity, while electrolytic cells do not.
Voltaic cells are spontaneous, while electrolytic cells are non-spontaneous.
Voltaic cells involve oxidation, while electrolytic cells involve reduction.
Voltaic cells are used to purify metals, while electrolytic cells are not.
Explanation
Voltaic cells generate electricity spontaneously, while electrolytic cells require an external power source.
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