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the process of converting hydrated into anhydrous alumina is called a)roasting b)smelting c)dressing d)calcination

the process of converting hydrated into anhydrous alumina is called
a)roasting
b)smelting 
c)dressing 
d)calcination

Grade:11

1 Answers

Varon
510 Points
6 years ago
hello christopher
Option is D ie calcination because calcination is used for hydrated oxide ores or carbonate ores to convert them into suitable oxides 
THANK YOU

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