a)
\(bari{\text{ }}clorua + natri{\text{ sunfat}}\xrightarrow{{}}bari{\text{ sunfat + natri clorua}}\)
b)
\(magie + oxi\xrightarrow{{}}magie{\text{ oxit}}\)
c)
\(kẽm + axit{\text{ clohidric}}\xrightarrow{{}}kẽm{\text{ clorua + hidro}}\)
d)
\(nước{\text{ vôi trong + khí cacbonic}}\xrightarrow{{}}canxi{\text{ cacbonat + nước}}\)
e)
\(natri{\text{ cacbonat + nước vôi trong}}\xrightarrow{{}}canxi{\text{ cacbonat + natri hidroxit}}\)