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The Hall-Heroult process is carried out at a temperature of __________ industrially.(a) 940-980°C(b) 200-300°C(c) 10,000-50,000°C(d) 50-70°CThe question was posed to me in an internship interview.This interesting question is from Chemical Processes of Aluminium topic in division Wrought Aluminium Alloys of Aerospace Materials & Processes

Answer»

Right option is (a) 940-980°C

The BEST I can explain: The Hall-Heroult PROCESS is an EXTRACTION process of METALS that involves the usage of heat. For this process, when it is being carried out industrially for a large QUANTITY, the temperature at which it is done is between 940-980°C.



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