1.

Which of the following pair (s) of ions would be expected to form precipitate when dilute solutions are mixed?A. `Na^(+),SO_(3)^(2-)`B. `NH_(4)^(+),CO_(3)^(2-)`C. `Na^(+),S^(-2) `D. `Fe^(+3),PO_(4)^(-3)`

Answer» Correct Answer - D


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