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石灰石,CaCO3 石灰水,Ca(OH)2(aq) 生石灰,CaO 熟石灰,Ca(OH)2
生石灰的化學式:CaO氧化鈣 熟石灰的化學式:Ca(OH)2氫氧化鈣 CaO+H2O==Ca(OH)2 加水時反應會放出大量的熱,雖然這2個都有鈣元素,但化學性質是不相同的.
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