MCQ
The formula of sodium carbonate is
- A$\mathrm{CaHCO}_3$
- ✓$\mathrm{Ca}\left(\mathrm{HCO}_3\right)_2$
- C$\mathrm{Ca}_2 \mathrm{HCO}_3$
- D$\mathrm{Ca}\left(\mathrm{HCO}_3\right)_3$
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