HSC - রসায়ন ২য় পত্র→অধ্যায়-০৩ঃ পরিমাণগত রসায়ন→All Topics

$\text {(a)} \mathrm{CH}_{2}(\mathrm{COOH})_{2}+\mathrm{P}_{4} \mathrm{O}_{10} \rightarrow$(b) ${\mathrm{MnO}_{4}^{-}+\left.\right|_{\mathrm{COO}^{-}} ^{\mathrm{COO}^{-}}+\mathrm{H}^{+} \rightarrow}$$\text {(c)} \mathrm{Cr}_{2} \mathrm{O}_{7}^{2-}+\mathrm{H}^{+}+\mathrm{I}^{-} \rightarrow$$\begin{array}{l}\text{(d) } \mathrm{NaHSO}_{3}+\mathrm{H}_{2} \mathrm{~S} \rightarrow\\\text{(e) } \mathrm{Na}_{2} \mathrm{CO}_{3}+\mathrm{NO}_{2} \rightarrow\end{array}$ l