Fecl2+zn= k2so3+hcl= alcl3+naoh= agno3+cu= mg(no3)2+na3po4= cacl2+na2sio3= znbr2+koh= na2s+hcl= pb(no3)2+fe=

Добрый вечер.

Zn + FeCl₂ = ZnCl₂ + Fe
K₂SO₃ + 2HCl = 2KCl + H₂O + SO₂↑
AlCl₃ + 3NaOH = Al(OH)₃ + 3NaCl
2AgNO₃ + Cu = Cu(NO₃)₂ + 2Ag
3Mg(NO₃)₂ + 2Na₃PO₄ = 6NaNO₃ + Mg₃(PO₄)₂
CaCl₂ + Na₂SiO₃ = CaSiO₃ + 2NaCl 
ZnBr₂ + 2KOH = Zn(OH)₂ + 2KBr
Na₂S + 2HCl = 2NaCl + H₂S
Fe + Pb(NO₃)₂ = Fe(NO₃)₂ + Pb