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The Hall-Heroult process produces around _______ pure aluminium.(a) 100%(b) 20%(c) 98%(d) 4%I got this question by my college professor while I was bunking the class.This interesting question is from Chemical Processes of Aluminium in division Wrought Aluminium Alloys of Aerospace Materials & Processes

Answer»

The CORRECT answer is (c) 98%

The explanation: The Hall-Heroult EXTRACTION process is extremely advantageous and EFFECTIVE. When the ore undergoes the HEAT treatment for the extraction of the desired metal, in the CASE of aluminium, 98% of pure aluminium can be obtained.



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