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

  • question_answer
    The table below shows the properties of four substances K, L, M and N.
    Substance Colour Taste Magnetic Dissolves in water
    K White Salty No Yes
    L Blue Sweet No No
    M White Sweet Yes Yes
    N Black Metallic Yes No
    Which two substances would be most difficult to separate when mixed in water?

    A)  K and L      

    B)        K and M         

    C)         L and M       

    D)         M and N

    Correct Answer: B

    Solution :

    Separation of K and M would be most difficult because both the substances are soluble in water, non-magnetic and have same colour.                         


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