Multiple Choice
The lime-soda process is ________ being added to water to cause precipitation of magnesium as Mg(OH) 2 and is used for large-scale water-softening operations.
A) Fe2O3
B) Al(OH) 3
C) CaO
D) Fe2MgO4
E) Na2O
Correct Answer:

Verified
Correct Answer:
Verified
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