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

  • question_answer
      Differentiate between a true solution and a colloid.  

    Answer:

                        
                True solution                Colloid
    1. A true solution is a homogeneous mixture of two or more substances 1. A colloidal solution is a heterogeneous mixture of two substances.
    2. The size of the particles is less than one nanometer. 2. The range of particle size is between one nanometer to 1000 nanomater  
    3.it is always transparent 3.it is translucent
    4. The particles cannot be  seen even with microscope 4. The particles of a colloidal solution can be seen with microscope
    5.It does not show Tyndall effect 5.It shows Tyndall effect
     


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