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प्रश्न
Write the chemical formula of the Calcium oxide.
रासायनिक समीकरण/संरचनाएँ
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उत्तर
Calcium oxide → CaO
| Element Name | Calcium |
| Element Symbol | Ca |
| Charge | +2 |
| Valency | 1 Ca |
Hence the formula: CaCl2
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