A.\(\rm{Na→NaOH→Na_{2}}\)\(\rm{CO}\)\(\rm{{\,\!}_{3}}\)\(\rm{→NaCl}\) |
B.\(\rm{Al→Al_{2}}\)\(\rm{O}\)\(\rm{{\,\!}_{3}}\)\(\rm{→Al(OH)}\)\(\rm{{\,\!}_{3}}\)\(\rm{→AlCl}\)\(\rm{{\,\!}_{3}}\) \(\rm{{\,\!}}\) |
C.\(\rm{Mg→MgCl_{2}}\)\(\rm{→Mg(OH)}\)\(\rm{{\,\!}_{2}}\)\(\rm{→MgSO}\)\(\rm{{\,\!}_{4\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;}}\) |
D.\(\rm{Fe→FeCl_{2}}\)\(\rm{→Fe(OH)}\)\(\rm{{\,\!}_{2}}\)\(\rm{→Fe(OH)}\)\(\rm{{\,\!}_{3}}\) |