贝壳的主要成分是碳酸钙小强设计了如右下图的实验进行探究以下关于此实验现象的描述中错误的是 A.有气泡产生 b.表面皿内壁有�浊出现 Template




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tomski贝壳的主要成分是碳酸钙小强设计了如右下图的实验进行探究以下关于此实验现象的描述中错误的是 a.有气泡产生 b.表面皿内壁有�浊出现 coloring