MCQ
Which of the following react with $NaHS{O_3}$
- A$C{H_3}COC{H_3}$
- B$C{H_3}CHO$
- C$HCHO$
- ✓$All \,of \,these$

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$\left(\frac{1}{4 \pi \in_{0}}=9 \times 10^{9} Nm ^{2} / C ^{2}\right)$
