1. Chromatography is a physical method that is used to separate and analyze __________a) Simple mixturesb) Complex mixturesc) Viscous mixturesd) Metals Answer: Click Here 2. In which type of chromatography, is the stationary phase held in a narrow tube, and the mobile phase forced through it under pressure?a) Column chromatographyb) Planar chromatographyc) Liquid chromatographyd) Gas