为了探究二氧化碳能与水�生反应生成酸小明设计了如下实验方案取四朵用石蕊试液染成紫色的干燥小花按下图中的步骤i Ⅳ依次进行实验观察小花的 Template




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tomski为了探究二氧化碳能与水�生反应生成酸小明设计了如下实验方案取四朵用石蕊试液染成紫色的干燥小花按下图中的步骤i Ⅳ依次进行实验观察小花的 coloring