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9th Class Science Is Matter Around Us Pure Question Bank MCQs - Is Matter Around us Pure

  • question_answer
    Match the Column I with Column II and select the correct option below :
      Column I   Column II
    A. Miscible liquids 1. Distillation
    B. Immiscible liquids 2. Crystallisation
    C. Pure copper sulphate from an impure sample 3. Sublimation
    D. Salt and ammonium chloride 4. Separating funnel
    Codes

    A) A-1, B-2, C-3, D-4

    B) A-4, B-2, C-3, D-1

    C) A-1, B-3, C-4, D-2

    D) A-3, B-4, C-1, D-2

    Correct Answer: C

    Solution :

    [c]
    The correct match is
    (A) \[\to \]1;     (B)\[\to \]4;      (C)\[\to \]2;     (D)\[\to \]3
    (A) Miscible liquids can be separated by distillation method if both liquids have different boiling points.
    (B) Immiscible liquids can be separated by separating funnel when both liquids have different densities.
    (C) Pure copper sulphate can be separated from an impure sample is dissolved in water, heated and then cooled to form pure crystals.
    (D) Salt and ammonium chloride are separated by sublimation in which one sublimes and one does not.
     


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