Реакции.
1. 2HCl+ Zn= ZnCl2+ H2
2. 2H2+ O2= 2H2O
3. H2O+ K2O= 2KOH
4. 2KOH+ H2SO4= K2SO4+ 2H2O
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Answers & Comments
Реакции.
1. 2HCl+ Zn= ZnCl2+ H2
2. 2H2+ O2= 2H2O
3. H2O+ K2O= 2KOH
4. 2KOH+ H2SO4= K2SO4+ 2H2O