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प्रश्न
Write the chemical formula of the Calcium carbonate.
रासायनिक समीकरणे/रचना
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उत्तर
Calcium carbonate → CaCO3
| Element Name | Calcium |
| Element Symbol | Ca |
| Charge | +2 |
| Valency | 2 Ca |
Hence formula: Ca2(CO3)2 or CaCO3
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