Ответ:
1)H+Na=NaH
2)2H+S=H2S
3)2K+2HCl=2KCl+H2
4)2K+H2SO4=K2SO4+H2
5)Ba+2HCl=BaCl2+H2
6)Ba+H2SO4=BaSO4+H2
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Ответ:
1)H+Na=NaH
2)2H+S=H2S
3)2K+2HCl=2KCl+H2
4)2K+H2SO4=K2SO4+H2
5)Ba+2HCl=BaCl2+H2
6)Ba+H2SO4=BaSO4+H2