明亮同学为探究鸡蛋壳的主要成分他查阅资料了解到碳酸氢钙易溶于水而碳酸钙难溶于水.于是动手完成以下实验将鸡蛋壳放入稀盐酸中观察到生成无色无 Template




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tomski明亮同学为探究鸡蛋壳的主要成分他查阅资料了解到碳酸氢钙易溶于水而碳酸钙难溶于水.于是动手完成以下实验将鸡蛋壳放入稀盐酸中观察到生成无色无 coloring