

MCQOPTIONS
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1. |
On addition of aqueous \[NaOH\] to a salt solution, a white gelatinous precipitate is formed, which dissolves in excess alkali. The salt solution contains [MP PMT 1994] |
A. | Chromium ions |
B. | Aluminium ions |
C. | Barium ions |
D. | Iron ions |
Answer» C. Barium ions | |