試卷名稱:107年 - 高雄醫學大學 107 學年度學士後醫學系招生考試試題(共同科目)--化學#75186
年份:107年
科目:學士後西醫-化學
78. An unknown concentration of NH3 solution is titrated by HCl solution. The color change for indicators at different pH values are shown in the table below. Which of the following indicators is the best for this titration?
(A) phenolphthalein
(B) alizarine yellow R
(C) methyl red
(D) crystal violet
(E) thymol blue