BaCI2+Na2SO4= химия 8 сынып есебін шығару керек?

Question

1)ZnSo4+Pb⇒                         5)...+H2O=NaOH

2) BaCI2+Na2SO4=                 6)So3+...=H2SO4

3)CuSo4+NaOH=                      7)CaO+...=CaCI2+...

4)Na2SO4+HCI→

Answer 1

Ответы

1.Zn+PbSO4

2.BaSO4+2NaCL

3.Cu(OH)2+Na2SO4

4.2NaCl+H2SO4

5.Na

6.H2O

7.CaO+2HCL=CaCl2+H2O