SEPARATING MIXTURES
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| fraction | one part of a mixture
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| fractional distillation | to separate a mixture into parts or fractions using differences in boiling point
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| distill | to separate two or more substances by differences in boiling point
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| mixture | two or more substances mixed together
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| odor | smell
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| petroleum | an oily, thick, flammable, dark-colored liquid; used to make oil and gasoline
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| crude oil | petroleum
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| filter | to separate by passing through a paper or filter
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| filtrate | the liquid that goes through a filter
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| filtration | process of separating substances using differences in solubility
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| insoluble | a substance that does not dissolve in a given solvent
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| separation by flotation | a method of separating two or more substances using differences in density
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| separation by filtration | a method of separating two or more substances using differences in solubility
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| chromatography | method of separating two substances by differences in absorbing onto another material such as paper
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| pure substance | a material that cannot be separated further by distillation, filtration or chromatography
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