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प्रश्न
Write the molecular formulae of compound calcium oxide.
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उत्तर
Compound Calcium oxide is formed of elements calcium (Ca) and oxygen (O)
Symbols combining power Here the subscript number is same Ca2 Formula of calcium oxide is CaO
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| Compound | Constituent elements |
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| Water | |
| Calcium oxide | |
| Sugar | Carbon, Hydrogen, Oxygen |
