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1、separation techniquesthese techniques are only for mixtures what is true about the properties of substances in a mixture?what are the most common techniques?lfiltrationldistillation lcrystallizationlchromatographyfiltrationlfiltration is used to separate the solid and liquid parts of a mixture.lthis

2、 may be used to separate something that is water-soluble from something that is not.lhowever, it may not be used to separate a solution, such as salt water.lsince the salt is dissolved in the water, it will go through the filter unchanged.filtrationdistillationldistillation uses the fact that differ

3、ent substances have different boiling points.lin a distillation, the substance with the lower boiling point boils “off”, leaving the substance with the higher boiling point behind.lthe first substance becomes a gas, is cooled, becomes a liquid again, and is collected.la second liquid or a solid may

4、be left behind.crystallizationlcrystallization is the formation of solid crystals that precipitate out of a solution.lthis may happen with:chromatographyla solution can be separated by letting it flow through a stationary substance.ldifferent substances (the mobile “phase”) will move at different rates through the stationary “phase”.lthere are many, many t

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