electrochemistry multiple choice practice
How a metal is deposited in an electrolysis process?
It occurs due to the elements reaction with either oxygen gas, placing them in an acidic or basic solution. The metals can be protected by painting them, coat them with a second metal, or using a sacrificial anode. Given that an electrolysis process has taken place for 45 minutes and the grams of the lead being deposited was 3 g.
Where do oxidation and reduction half-reactions occur in electrochemical cells?
(a) Oxidation and reduction half-reactions occur at electrodes in electrochemical cells. (b) All electrochemical reactions involve the transfer of electrons. (c) Reduction occurs at the cathode. (d) Oxidation occurs at the anode. (e) All voltaic (galvanic) cells involve the use of electricity to initiate nonspontaneous chemical reactions.
Electrochemistry grade 12 multiple choice questions
Electrochemistry Practice Problems
Electrochemistry grade 12 multiple choice questions
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