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8.3 Separating Solutions and Mechanical Mixtures
Pearson Education
www.sciencesource.ca
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1. During distillation a gas _____ on a relatively cool surface and is collected.
5. During the distillation process a solution is boiled. This _____ the solvent (turning it into a gas) and separates it from the solute.
6. _____ is the mechanical process of separating solids from liquids (or gases).
7. During the process of _____ water particles in a container leave the liquid as vapour and mix with surrounding air particles.
9. Distillation is a separation technique that is useful for substances with large differences in _____ points.
10. In paper chromatography, the distance that a substance moves depends on its _____ in the solvent and its attraction to the paper.
12. _____ is a means of separating solids by component size. It involves shaking or agitating a solid material while it passes through a screen or mesh.
13. In paper _____ a highly concentrated solution is placed on a single spot and is absorbed by the paper
15. _____ mixtures can be separated by sorting, sifting or magnetism.
16. _____ enables you to retain both the solute and the solvent from a solution.
Down
2. The components of a solution have very similar properties and characteristics, which makes them _____ to separate.
3. Evaporation allows the solute to remain but not the _____.
4. Evaporating solvent particles leave solution while _____ particles remain in greater concentration.
8. _____ is a technique that involves separating substances on the basis of appearance, which may involve colour, size, texture or composition.
11. _____ tend to have much smaller holes than screens used for sifting.
14. A _____ can be used to separate magnetic materials, such as automobile parts made with iron, from those materials that are not magnetic, such as plastic dashboards, foam insulation and the rubber tires of cars.
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