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  5. Sorting Materials into Groups

6th Class Science Sorting Materials into Groups Question Bank Sorting and Separation of Materials

  • question_answer
    Properties of three substances X, Y and Z are given below :
    X : Heavy and non-magnetic
    Y : Light and non-magnetic
    Z : Magnetic
    If X, Y and Z are of same size and colour then, which of the following can be used to separate these particles from their mixture?

    A) Handpicking followed by filtration

    B) Winnowing followed by magnetic separation

    C) Magnetic separation followed by sieving

    D) Sublimation followed by distillation

    Correct Answer: B

    Solution :

    Heavier (X) particles and lighter (Y) particles are first separated by winnowing and then magnetic (Z) particles are separated from the remaining mixture by magnetic separation.                             


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