JAMB Physics 2011 Objective — Question 39
Question 39 of 49 from the Joint Admissions and Matriculation Board (JAMB) Physics 2011 Objective paper, with the correct answer and a full explanation.
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Which of the following will be applied when a metal Y is used to electroplate another metal X in electrolysis?
- A. A. Y is the cathode and X is the anode
- B. B. Y is the anode and very high current is usedCorrect
- C. C. X is the anode and very high current is used
- D. D. X is the anode and Y is the cathode
Explanation
To electroplate metal X with metal Y, X is made the cathode while Y (the plating metal) is made the anode, and a suitably high current is used.
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