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ICSE Class 10 Chemistry 2013 Paper

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The following questions relate to the extraction of aluminium by electrolysis :
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Question : 65 of 84
Marks: +1, -0
Give the equation for the reaction that takes place at the cathode.
Solution:  
At Cathode : Al3++3e−→Al\mathrm{Al}^{3+}+3 e^{-}\rightarrow\mathrm{Al}
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