Объяснение:
1. H2SO3 и HBr
2.HI+AgNO3=HNO3+AgI
3.Zn+H2SO4(разб)=ZnSO4+H2
4.ZnO+2HCl=ZnCl2+H2O
Na2CO3+2HCl=2NaCl+CO2+H2O
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Объяснение:
1. H2SO3 и HBr
2.HI+AgNO3=HNO3+AgI
3.Zn+H2SO4(разб)=ZnSO4+H2
4.ZnO+2HCl=ZnCl2+H2O
Na2CO3+2HCl=2NaCl+CO2+H2O