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>> The Al2O3 content of cryolite in Hall-Heroult cell is maintained between _______________ percent ?
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Q. 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
ANSWER: 2-5
Answer & Explanation
No explanation is available for this question!
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