MCQOPTIONS
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MCQOPTIONS
| 1. |
Hardness of water is estimated by simple titration with which compound? |
| A. | Na<sub>2</sub>(EDTA) |
| B. | Fe(EDTA) |
| C. | Mg(EDTA) |
| D. | Co(EDTA) |
| Answer» B. Fe(EDTA) | |