When we want to separate two solids, Magnetic separation, If we want to separate two liquids with different density, Decantation, When we want to separate two liquids that evaporate at different rate, Distillation, If we want to separate a solid disolved in a liquid, Evaporation, When we want to separate a solid from a liquid, Filtration

排行榜

视觉风格

选项

切换模板

恢复自动保存: