1.
Zn + H2SO4 -> ZnSO4 + H2
ZnSO4 + BaCl2 -> ZnCl2 + BaSO4
ZnCl2 + 2AgNO3 -> Zn(NO3)2 + 2AgCl
Zn(NO3)2 + Ba(OH)2 -> Zn(OH)2 + Ba(NO3)2
Zn(OH)2 \(\underrightarrow{t^o}\)ZnO + H2O
2Fe(OH)3 \(\underrightarrow{t^o}\)Fe2O3 + 3H2O
Fe2O3 +6 HCl ->2 FeCl3 + 3H2O
FeCl3 + 3AgNO3 -> Fe(NO3)3 + 3AgCl
Fe(NO3)3 + 3NaOH -> 3NaNO3 + Fe(OH)3
2Fe(OH)3 + 3H2SO4 -> Fe2(SO4)3 + 6H2O
Zn + H2SO4----->ZnSO4+H2
ZnSO4+ 2HCl-----> ZnCl2+H2SO4
ZnCl2+2NaNO3------> Zn(NO3)2+2NaCl
Zn(NO3)2+Cu(OH)2---->Zn(OH)2+Cu(NO3)2
Zn(OH)2------> ZnO+H2O(to)
|\\\\
2Fe(OH)3-----> Fe2O3+3H2O(to)
Fe2O3+6HCl-----> 2FeCl3+3H2O
2Fe(NO3)3+3Ca(OH)2-----> 2Fe(OH)3+3Ca(NO3)2
2Fe(OH)3+3CuSO4------>Fe2(SO4)3+3Cu(OH)2
1) Zn+H2SO4\(\rightarrow\)ZnSO4+H2
2) ZnSO4+BaCl2\(\rightarrow\)BaSO4\(\downarrow\)+ZnCl2
3) ZnCl2+2AgNO3\(\rightarrow\)Zn(NO3)2+2AgCl\(\downarrow\)
4) Zn(NO3)2+2NaOH\(\rightarrow\)Zn(OH)2\(\downarrow\)+2NaNO3
5) Zn(OH)2\(\rightarrow\)ZnO+H2O
1) 2Fe(OH)3\(\rightarrow\)Fe2O3+3H2O
2) Fe2O3+6HCl\(\rightarrow\)2FeCl3+3H2O
3) FeCl3+3AgNO3\(\rightarrow\)Fe(NO3)3+3AgCl\(\downarrow\)
4) Fe(NO3)3+3NaOH\(\rightarrow\)Fe(OH)3\(\downarrow\)+3NaNO3
5)2 Fe(OH)3+3H2SO4\(\rightarrow\)Fe2(SO4)3+6H2O
