

MCQOPTIONS
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1. |
Which one of the following anions is not easily removed from aqueous solutions by precipitation [IIT 1995] |
A. | \[C{{l}^{-}}\] |
B. | \[NO_{3}^{-}\] |
C. | \[CO_{3}^{-2}\] |
D. | \[SO_{4}^{-2}\] |
Answer» C. \[CO_{3}^{-2}\] | |