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प्रश्न
Write the steps in deducing the chemical formulae of the following compound.
Calcium oxide
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उत्तर
Calcium oxide:
The Symbols and Valencies of Calcium and Oxygen.
| Symbol | Ca | O |
| Valency | 2 | 2 |
Cross-multiply the valencies
The chemical formula of Calcium oxide is CaO.
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