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6th Class Science Separation of Substances Question Bank Sepration and Substances

  • question_answer
    DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 You are provided with a thoroughly grinded mixture consisting of dry sand and powdered dry leaves. You are asked to separate the components of this mixture either by using the process of winnowing or by any other process. Which other process would you use to separate the components of this mixture?

    A) Threshing        

    B) Hand picking

    C) Filtration         

    D)          None of these

    Correct Answer: D

    Solution :

        If we dissolve the mixture, sand will settle at bottom and dry leaves will float at the surface but they cannot be separated by filtration as both will remain on the filter paper. Thus none of the given processes can be used.


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