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难电离的物质有哪些
更新时间: 2020-09-10 00:00:00  

难电离的物质是指在水溶液或熔融状态下,难以电离成阴阳离子的化合物。其中,主要是不能溶解的固体,或沉淀,或者微溶性物质,另外还有气体。

难电离的物质有:

1、无机物中:弱酸、弱碱、水。强碱只有钾、钠、钡、钙,俗称四大强碱,其他的都是弱碱;

2、无机盐中:大多数都容易被电离;

3、有机物中:有机物大多数为难电离物质。

关键词: 电离 物质 哪些

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