cíu em với ạ em liệt hóa r=")

1/ $Fe(NO3)_{3}$ + $3Na(OH)_{}$ $\longrightarrow$ $Fe(OH)_{3}$ + $3NaNO_{3}$ 

2/ $6Na(OH)_{}$ + $Al_{2}$$(SO4)_{3}$ $\longrightarrow$ $2Al(OH)_{3}$ +$3Na_{2}$$SO_{4}$ 

3/ $2NO_{}$ + $O_{2}$ $\longrightarrow$ $2NO_{2}$

4/ `2NaI` + $Cl_{2}$ $\longrightarrow$ `2NaCl` + $I_{2}$ 

5/ `Cu` + $2H_{2}$$SO_{4}$ $\longrightarrow$ $CuSO_{4}$ + $SO_{2}$$\uparrow$ + $2H_{2}$$O_{}$

6/ $4NH_{3}$ + $5O_{2}$ $\longrightarrow$ `4NO` + $6H_{2}$$O_{}$