問題詳情

68.Which technique used for tiie separation of compounds is based on the di争rent electrostatic interactions between the stationary phase and solutes.
(A) ion exchange chromatography
(B) solvent extraction
(C) paper chromatography
(D) distillationt
(E) none of the above

參考答案

答案:A

統計:A:2,B:0,C:0,D:0,E:0

難度:計算中