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Ways to Separate Mixtures

Ways to Separate Mixtures. Which Method. There are several ways to separate mixtures. The physical properties of the mixture will determine which s e paration method is the best one to use. Sifting. Uses sieves or sifters as a way to separate solids of varying sizes

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Ways to Separate Mixtures

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  1. Ways to Separate Mixtures

  2. Which Method • There are several ways to separate mixtures. • The physical properties of the mixture will determine which separation method is the best one to use.

  3. Sifting • Uses sieves or sifters as a way to separate solids of varying sizes • Examples: sorting rocks, gravel, and sand • Think of another example of a mixture that can be separated by sifting.

  4. Magnetic Attraction • Separates magnetic materials, such as iron, steel, nickel or cobalt, from non-magnetic materials in a mixture • Example: separating iron filings from sand • Think of another example of a mixture that can be separated by using a magnet.

  5. Filtration • Removes solids from liquids by using a filter • Example: a mixture of sand and water • Think of another example of a mixture that can be separated by using a filter.

  6. Evaporation • Heat solution until liquids turn to gas, and leave the solids behind. • Example: boiling a water and salt solution until all that is left are the salt crystals

  7. Which Method? • You have been given a mixture of sand, salt, and water. Which method or methods will you use to separate this mixture? Why? + +

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