問題詳情
29. A method of separation that employs a system with two phases of matter, a mobile phase and a stationary phase, is called!
(A) filtration.
(B) chromatography.
(C) distillation.
(D) vaporization.
(E)homogenization.
參考答案
答案：B
難度：困難0.333333
統計：A(0),B(1),C(1),D(1),E(0)