(1) 氢氧化钙(或熟石灰,Ca(OH) 2)
(2) CaCO 3
CaO + CO 2↑ (或CaO + H 2O===Ca(OH) 2;Ca(OH) 2+ CO 2===CaCO 3↓+ H 2O )
(3) 作灭火剂(或制干冰:在温室里作肥料等)
(1) 氢氧化钙(或熟石灰,Ca(OH) 2)
(2) CaCO 3
CaO + CO 2↑ (或CaO + H 2O===Ca(OH) 2;Ca(OH) 2+ CO 2===CaCO 3↓+ H 2O )
(3) 作灭火剂(或制干冰:在温室里作肥料等)