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How are the c...

Question

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

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Solution

Depending on the basis of the physical states of the dispersed phase and dispersion medium, eight types of colloidal systems are formed.

These are as follows

$\begin{matrix} S . N O & D i s p e r s e d p h a s e & D i s p e r s e d m e d i u m & T y p e o f c o l l o i d & E x a m p l e s 1. & S o l i d & S o l i d & S o l i d s o l & S o m e c o l o u r e d g l a s s e s, g e m s t o n e s 2. & S o l i d & L i q u i d & S o l & P a i n t s, c e l l f l u i d s 3. & S o l i d & G a s & A e r o s o l & S m o k e, d u s t 4. & L i q u i d & S o l i d & G e l & C h e e s e, b u t t e r, j e l l i e s 5. & L i q u i d & L i q u i d & E m u l s i o n & M i l k, h a i r c r e a m 6. & L i q u i d & G a s & A e r o s o l & F o g, m i s t, c l o u d, i n s e c t i c i d e s p r a y s 7. & G a s & S o l i d & S o l i d f o a m & P u m i c e s t o n e, f o a m r u b b e r 8. & G a s & L i q u i d & F o a m & F r o t h, w h i p p e d c r e a m, s o a p l a t h e r \end{matrix}$

Note Ninth possibility, i.e., a gas mixed with another gas is a homogeneous system and not a colloid.

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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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Types of Solution

Standard XII Chemistry

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