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  • Separating Mixtures & Compounds: Methods & Techniques
    Separation of Mixtures

    Mixtures can be separated using physical methods, such as:

    * Filtration: This method uses a filter paper to separate solids from liquids. The filter paper has pores that are small enough to trap the solid particles, but large enough to allow the liquid to pass through.

    * Distillation: This method uses heat to separate liquids that have different boiling points. The liquid with the lower boiling point will vaporize first, and can be collected in a separate container.

    * Crystallization: This method uses cooling to separate solids from liquids. The solid will crystallize out of the liquid, and can be collected by filtration.

    Separation of Compounds

    Compounds can be separated using chemical methods, such as:

    * Precipitation: This method uses a chemical reaction to form a solid product that can be separated from the other components of the compound.

    * Chromatography: This method uses a column or paper to separate different components of a compound. The components will travel at different rates through the column or paper, and can be collected separately.

    * Electrophoresis: This method uses an electric field to separate different components of a compound. The components will travel at different rates through the electric field, and can be collected separately.

    In general, the methods for separating mixtures are physical methods, while the methods for separating compounds are chemical methods. This is because mixtures are composed of different substances that are not chemically bonded to each other, while compounds are composed of different substances that are chemically bonded to each other.

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