A) carbon dioxide is added to precipitate the alumina
B) Temperature and pressure are dropped and the super- saturated solution is seeded
C) both [a] and [b] are practiced
D) the water is evaporated.
Correct Answer: C
Solution :
[c] \[2NaAl{{O}_{2}}+C{{O}_{2}}+2{{H}_{2}}O\to \]\[2Al{{(OH)}_{3}}+2NaAl{{(OH)}_{4}}\]You need to login to perform this action.
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