How to seperate a mixture of sand and gravel | Yeah Chemistry
Aug 16, 2011 · One of the questions in my packet asks how one would separate a mixture of gravel and sand into their individual parts. Based on what I've already learned, I have these choices: filtration, distillation, chromatography, centrifuge, recrystallization, and extraction. From what I understand of the choices listed above, it can only be either crystallization or extraction.