A.CaCO3(s)=CaO(s)+CO2(l)B.CaO(s)+H2O =Ca(OH)2(s)C.CaCO3(s)+2HCl=CaCl2+CO2↑+H2OD.CaO(s)+2HCl=CaCl2+H2O
A.消石灰B.石灰膏C.石灰乳D.石灰水
A.軟水B.重水C.自來水D.礦泉水