..Ca+...O2=...CaO
...Na+...S=...Na2S
...K+...Cl2=...KCl
...CuSo4+...NaOH=...NaNo2+SO4+...Cu(OH)2
...Zn+...HCl=...ZnCl2+...HCl
...CuCO3=CiO+...CO2
...FeCl3+...NaOH...Fe(OH)3+...NaCl
..NaNO3+...NaNO2+...O2
...(NH4)2Co3=...NH3+...Co2+...H2O
...NaCl+AgNo3=..AgCl+...NaNO3
...Na2SO4+BaCl2=...BaSo4+...NaCl
...H2CO3=...Co2+...H2O
...CaO+...HOo=...Ca(OH)
...Li+...S=Li2S
...NaOH+...HCl=NaCl+...H2O
...NaOH+...H2SO4=...Na2SO4+...H2O
...H2+...O2=...H2O
...Li+...H...LiH
plzz ajutati-ma va rg