Объяснение:
2Li+2H2O=2LiOH+H2
Ca+2H2O=Ca(OH)2+H2
2K+H2=2KH
2Li+CaO=Li2O+Ca
Sr+2H2O=Sr(OH)2+H2
2Na+S=Na2S
2K+2H2O=2KOH+H2
Ca+H2=CaH2
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Объяснение:
2Li+2H2O=2LiOH+H2
Ca+2H2O=Ca(OH)2+H2
2K+H2=2KH
2Li+CaO=Li2O+Ca
Sr+2H2O=Sr(OH)2+H2
2Na+S=Na2S
2K+2H2O=2KOH+H2
Ca+H2=CaH2