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The Al2O3 content of cryolite in Hall-Heroult cell is maintained between _______________ percent ?
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The Al2O3 content of cryolite in Hall-Heroult cell is maintained between _______________ percent ?
A. 2-5
B. 18-20
C. 12-15
D. 6-12
Correct Answer:
2-5
✔
Last Updated:
February 08, 2019