生石灰，熟石灰，石灰石ge化學式係咩？？？？ - Yahoo!知識+

佢地ge化學式係咩呢？？？同埋CaCO係咩黎架？？？？ ... 生石灰是Quick Lime, Calcium Oxide (CaO) 熟石灰是Slaked Lime, Calcium Hydroxide (Ca(OH)2) 石灰石是Limestone, Calcium Carbonate (CaCO3)

hk.knowledge.yahoo.com