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氯及其化合物

> 下列说法不正确的是（） A．浓硝酸与足量铜片反应时，先生成红棕色气体，后生成无色气体 B．浓硫酸具有强氧化性，常温下可将铁、铝的单质氧化 C．饱和氯水既有酸性又有漂白性，加入NaHCO₃后漂白性减弱 D．浓盐酸与足量二氧化锰反应后，盐酸有剩余

问题：

发布时间：2024-09-07

下列说法不正确的是（）

A．浓硝酸与足量铜片反应时，先生成红棕色气体，后生成无色气体

B．浓硫酸具有强氧化性，常温下可将铁、铝的单质氧化

C．饱和氯水既有酸性又有漂白性，加入NaHCO₃后漂白性减弱

D．浓盐酸与足量二氧化锰反应后，盐酸有剩余

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