MCQ
Chemical formula of limestone is :
- A$\ce{CaO}$
- ✓$\mathrm{CaCO}_3$
- C$\mathrm{CO}_2$
- D$\mathrm{Ca}(\mathrm{OH})_2$
✓
Answer
Correct option: B.
$\mathrm{CaCO}_3$
Chemical formula of limestone is $\mathrm{CaCO}_3$.
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