实验室常用石灰石与稀盐酸和以下的某些装置来制取收集二氧化碳1对图a装置进行改进可得图b或c或d装置.图d装置中小试管的作用是 2若 Template




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tomski实验室常用石灰石与稀盐酸和以下的某些装置来制取收集二氧化碳1对图a装置进行改进可得图b或c或d装置.图d装置中小试管的作用是 2若 coloring