

MCQOPTIONS
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1. |
When zeolite (hydrated sodium aluminium silicate) is treated with hard water, the sodium ions are exchanged with |
A. | \[{{H}^{+}}\] ions |
B. | \[C{{a}^{2+}}ions\] |
C. | \[S{{O}_{4}}^{2-}\] ions |
D. | \[O{{H}^{-}}\] ions |
Answer» C. \[S{{O}_{4}}^{2-}\] ions | |