Ответ:
1) 3CaO + P2O5 = Ca3(PO4)2
2) CaO + 2HCl= CaCl2+ H2O
3) CaO+ NaOH≠
4) CaO + CuCO3 ≠
5) CaO +H2SO4 = CaSO4 +H2O
6) CaO +Na2O ≠
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Ответ:
1) 3CaO + P2O5 = Ca3(PO4)2
2) CaO + 2HCl= CaCl2+ H2O
3) CaO+ NaOH≠
4) CaO + CuCO3 ≠
5) CaO +H2SO4 = CaSO4 +H2O
6) CaO +Na2O ≠