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The voltage in the Hall-Heroult process is around __________(a) 2-9 V(b) 15.5-16.5 V(c) 26-45 V(d) 6-8 VI have been asked this question in my homework.I would like to ask this question from Chemical Processes of Aluminium topic in chapter Wrought Aluminium Alloys of Aerospace Materials & Processes

Answer»

Right answer is (d) 6-8 V

The best explanation: The Hall-Heroult PROCESS is widely used. It involves the mixing of molten CRYOLITE with alumina to PERFORM electrolysis. The mixing of these results in a LOWER melting point of the molten bath. The voltage in this process is typically 6-8 V.



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