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3.If an electric current is passed through a solution of molten potassium bromide, KBr, the product at the cathode is _____. Answer: 4. When a

3.If an electric current is passed through a solution of molten potassium bromide, KBr, the product at the cathode is _____.

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4. When a secondary battery provides electrical energy, it is acting as a voltaic cell. When the battery is recharging, it is operating as a(n) _____ cell.

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