4th Class Science Matter and Materials Question Bank Matter and Materials

  • question_answer ________ is separated from water by a method different from the method used to separate the other three substances given in the options.

    A)          Salt                             

    B)  Sugar  

    C)         Coffee powder    

    D)         Chalk powder

    Correct Answer: D

    Solution :

    Chalk powder is insoluble in water while salt, sugar and coffee powder are soluble in water. Thus, chalk powder is separated by sedimentation and decantation or filtration while the other three are separated by evaporation.

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