1. Zn+AgNO3=
2. Zn+Mg=
3. Zn+O2=
4. NaOH+AgNO3=
5. Mg+H2O=
6. Mg+O2=

Zn + 2AgNO3 = Zn(NO3)2 + 2Ag2. Zn + Mg = реакции не будет3. 2Zn + O2 = 2Zn04.NaOH + AgNO3 = NaNO3 + AgOH5. 2Mg +2 H2O = 2Mg(OH)26.2Mg + O2 = 2MgO