Объяснение:
1. H2O+ SO2= H2SO3
2. Ca(OH)2+ 2HCl= CaCl2+ 2H2O
3. ZnO+H2SO4= ZnSO4+ H2O
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Объяснение:
1. H2O+ SO2= H2SO3
2. Ca(OH)2+ 2HCl= CaCl2+ 2H2O
3. ZnO+H2SO4= ZnSO4+ H2O