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प्रश्न
Write the molecular formulae for the following compounds and name the elements present of Nitric acid.
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उत्तर
Nitric acid — HNO3
Elements present are: Hydrogen, nitrogen and oxygen.
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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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