湖南皕成科技股份有限公司知识问答

氧化钙是什么?

最佳答案:

  氧化钙calcium oxide,它的化学式是CaO。物理性质是表面白色粉末,不纯者为灰白色,含有杂质时呈灰色或淡黄色,具有吸湿性。其实就是生石灰,放到水中会发热。

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