\(KClO_3\xrightarrow[MnO_2]{t^o}KCl+\dfrac{3}{2}O_2\uparrow\)
\(MnO_2+4HCl\rightarrow MnCl_2+Cl_2\uparrow+2H_2O\)
\(2NaCl_{\left(rắn\right)}+H_2SO_{4\left(đ\right)}\underrightarrow{t^o}Na_2SO_4+2HCl\uparrow\)
\(K_2SO_3+2HCl\rightarrow2KCl+H_2O+SO_2\uparrow\)