MCQ
How many compounds gives $CO_2$ with $NaHCO_3$ ?


- A$5$
- B$6$
- ✓$7$
- D$8$

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[Given, molar mass of $A =100 \,g\, mol ^{-1} ; B =200 \,g\, mol ^{-1}$$\left. C =10,000 \,g\, mol ^{-1}\right]$