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复分解反应的概念
更新时间: 2020-07-15 00:00:00  

概念:复分解反应是由两种化合物互相交换成分,生成另外两种化合物的反应。复分解反应的实质是发生复分解反应的两种物质在水溶液中交换离子,结合成难解离的物质沉淀 、气体或弱电解质,最常见的为水,使溶液中离子浓度降低,化学反应即向着离子浓度降低的方向进行。

关键词: 分解 反应 概念

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