Question

ZnO+NaOH=>
SO3+ZnO=>
Na2O + CO2=>
AL2O3+HCL=>

Answer 1

1-Zn+NaOH=Na2O+Zn(OH)2

2-SO3+ZnO=ZnSO4

3-Na2O+CO2= Na2CO3

4-Al2O3+HCl=AlCl3+H2O

Answer 2

Вот)

Al2O3+HCL=>Al2Cl+H2O вода выделяется