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

  • question_answer
    Which of the following forms a colloidal solution in water?

    A)  Salt                 

    B)         Glucose

    C)  Starch               

    D)         Barium nitrate

    Correct Answer: C

    Solution :

     Salt, glucose(a form of sugar) and barium nitrate form true, transparent, homogeneous solutions when mixed with water. Starch forms a colloid when mixed with warm water.


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