MCQ
The formula of baking soda is :
- A$\mathrm{K}_2 \mathrm{CO}_3$
- B$\mathrm{KHCO}_3$
- ✓$\mathrm{NaHCO}_3$
- D$\mathrm{Na}_2 \mathrm{CO}_3$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
