ajutatima va rog
dau coronita
![Ajutatima Va Rog Dau Coronita class=](https://ro-static.z-dn.net/files/d4e/b7849c747750ded8b28be4a9f8e7e75d.png)
Oxid acid SO2
OXID BASIC ZnO, K2O
Acid KOH H2SO3
baza Zn(OH)2
Sper sa fie corecte