阿摩線上測驗
46. Which of the following often have useful solvent properties?
(A) esters only
(B) alcohols only
(C) amines only
(D) ketones only
(E) all of these have useful solvent properties
答案：登入後查看
統計： A(0), B(1), C(0), D(0), E(0) #3371131
統計： A(0), B(1), C(0), D(0), E(0) #3371131
