生活中处处是化学请用所学知识回答下列问题.1水垢的主要成分是 .2硝酸铵又称“硝铵 是一种常用氮肥�硝酸铵溶液中加入紫色石蕊试液 Template




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tomski生活中处处是化学请用所学知识回答下列问题.1水垢的主要成分是 .2硝酸铵又称“硝铵 是一种常用氮肥�硝酸铵溶液中加入紫色石蕊试液 coloring