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ICSE Class 10 Chemistry 2018 Paper

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Question : 65 of 80
Marks: +1, -0
Write the equation for the formation of aluminum at the cathode during the electrolysis of alumina.
Solution:  
Al3++3 e−→Al\mathrm{Al}^{3+} + 3\,\mathrm{e}^{-} \rightarrow \mathrm{Al}
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