请利用你所学的化学知识完成下列填空1检验衣料是化纤织物还是纯毛织物的方法是灼烧2检验自来水是硬水还是软水所选择的试剂是肥皂水3检验 Template




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tomski请利用你所学的化学知识完成下列填空1检验衣料是化纤织物还是纯毛织物的方法是灼烧2检验自来水是硬水还是软水所选择的试剂是肥皂水3检验 coloring