Separating Mixtures

5. A stage in distillation
6. A piece of equipment generally used in fractional but not simple distillation
8. A state of matter
9. The type of distillation used to separate crude oil
10. The liquid used in chromatography
13. The process by which helium can be separated from argon
14. The physical property used in order to separate compounds during distillation
15. The minor component in a solution, dissolved in the solvent

1. A piece of apparatus used in distillation
2. A porous device for removing impurities or solid particles from a liquid
3. A type of chromatography
4. The change from one crystal structure to another, as occurs on heating or cooling
7. the process of purifying a liquid by boiling it and condensing its vapors
11. The liquid collected during a distillation
12. Small pieces of this can be added to a distillation to make the boiling point smoother