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प्रश्न
Give the chemical formula of carbonic acid
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उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{H2CO3}\]
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| Group No. → | 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
| Period ↓ | ||||||||
| 2 | A | B | ||||||
| 3 | E | D | F | C |
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