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食醋除水垢是氧化还原反应吗
更新时间: 2021-05-26 21:50:34  

1、不是氧化还原反应。

2、这个反应属于酸碱中和,一种复分解反应。食醋中的醋酸和水垢(氢氧化镁等)反应,生成醋酸镁和水。类似的有酸和碳酸钙,碳酸镁反映生成水和二氧化碳,有气泡产生。醋酸(CH3COOH),水垢为碳酸钙(CaCO3),二者反应生成二氧化碳和醋酸钙,醋酸钙溶于水, CaCO3+2CH3COOH=CO2+Ca(CH3COO)2H2O。

关键词: 水垢 氧化 还原 反应

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