MCQOPTIONS
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| 1. |
Which of the following electrolytes is most effective in the coagulation of gold solution [KCET 1996] |
| A. | NaNO3 |
| B. | K4[Fe(CN)6] |
| C. | Na3PO4 |
| D. | MgCl2 |
| Answer» C. Na3PO4 | |