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प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
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उत्तर
| Radicals | Symbol | Valencies |
| (a) Hydroxide | `OH^-` | 1 |
| (b) Chloride | `Cl^-` | 1 |
| (c) Carbonate | `CO_3^(2-)` | 2 |
| (d) Ammonium | `NH_4^+` | 1 |
| (e) Nitrate | `NO_3^-` | 1 |
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