Ответ:
Ca + 2H2O = Ca(OH)2 + H2
2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HNO3 = Ca(NO3)2 + 2H2O
Ca(NO3)2 + K2SO4 = CaSO4 + 2KNO3
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Ответ:
Ca + 2H2O = Ca(OH)2 + H2
2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HNO3 = Ca(NO3)2 + 2H2O
Ca(NO3)2 + K2SO4 = CaSO4 + 2KNO3