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Sand and sawdust are mixed with water. N...

Sand and sawdust are mixed with water. Name the techniques that can separate sand and sawdust from water.

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As the density of sand is more than saw dust, it settles down and saw dust floats on water. Sand can be separated by sedimentation and decantation. Saw dust can be separated by filtration.
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Knowledge Check

  • The most convenient way of separating sawdust from water is

    A
    distillation
    B
    evaporation
    C
    filtration
    D
    sedimentation and decantation

  • Naphthalene can be separted from sand:

    A
    by sublimation
    B
    by distillation
    C
    by crystallisation
    D
    by using water as solvent

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