(1)生石灰;
(2)2NaOH+H 2SO 4=Na 2SO 4+ 2H 2O; 复分解反应; H 2O;
(3)Na 2CO 3; D; Na 2CO 3+Ca(OH) 2=CaCO 3↓ +2NaOH;
(4)11; 失去; Na 2S;
(5)NaOH;
(1)生石灰;
(2)2NaOH+H 2SO 4=Na 2SO 4+ 2H 2O; 复分解反应; H 2O;
(3)Na 2CO 3; D; Na 2CO 3+Ca(OH) 2=CaCO 3↓ +2NaOH;
(4)11; 失去; Na 2S;
(5)NaOH;