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प्रश्न
The valency of aluminium is 3. Write the valency of other radicals present in the following compounds of Aluminium oxide.
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उत्तर
Aluminium oxide — (Al2O3)
Here valency of Al is 3
Other radical present = oxide (O2-)
Valency of O2- = 2
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| Column I | Column II |
| 1. Elements having valency of two. | A: Br1− |
| 2. An anion | B: Divalent |
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