試卷名稱:114年 - 114 國立中山大學_學士後醫學系招生考試試題:物理與化學#126239
年份:114年
科目:學士後西醫物理及化學
61. Arrange the steps below in the order required to perform a Kjeldahl Nitrogen Analysis.
I Distillation of ammonia into standard hydrochloric acid.
II Neutralize ammonium to release ammonia.
III Digest the organic sample with boiling sulfuric acid to convert nitrogen to ammonium.
IV Titrate unreacted standard hydrochloric acid with sodium hydroxide.
(A) III, II, I, IV
(B) II, I, IV, III
(C) I, IV, III, II
(D) IV, III, II, I
(E) III, I, IV, II