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How are the colloidal solutions classified on the basis of physical states of the dispersed phase and dispersion medium?

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On the basis of physical states of the dispersed phase and dispersion medium,  the colloidal solutions classified into eight types of colloidal systems as shown in the following table.
Note: A mixture of gas with another gas is a homogeneous mixture and not a colloidal solution.
+------------------+-------------------+----------------------------+---------+
|  Dispersed phase | Dispersion medium | Type of colloidal solution | Example |
+------------------+-------------------+----------------------------+---------+
|       Solid      |        Solid      |          Solid sol         |  Alloys |
+------------------+-------------------+----------------------------+---------+
|       Solid      |        Liquid     |             Sol            |  Paints |
+------------------+-------------------+----------------------------+---------+
|        Solid     |         Gas       |           Aerosol          |   Smoke |
+------------------+-------------------+----------------------------+---------+
|       Liquid     |        Solid      |             Gel            |   Jelly |
+------------------+-------------------+----------------------------+---------+
|       Liquid     |        Liquid     |           Emulsion         |   Milk  |
+------------------+-------------------+----------------------------+---------+
|       Liquid     |         Gas       |           Aerosol          |   Mist  |
+------------------+-------------------+----------------------------+---------+
|        Gas       |        Solid      |          Solid sol         |  Pumice |
+------------------+-------------------+----------------------------+---------+
|        Gas       |        Liquid     |             Foam           |   Soap  |
+------------------+-------------------+----------------------------+---------+
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