what is lyophobic collidal solution with eg:?
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Examples of lyophilic sols include sols of gum, gelatine, starch, proteins and certain polymers in organic solvents. Examples of lyophobic sols include sols of metals and their insoluble compounds like sulphides and oxides. Lyophobic sols need stabilizing agents to keep the dispersed phase from precipitating out.
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Lyophobic colloids are liquid hating colloids (Lyo means solvent and phobic means hating). When these colloids are mixed with the suitable liquid, very weak force of attraction exists between colloidal particles and liquid and system does not pass into colloidal state readily. Examples of lyophilic sols include sols of gum, gelatine, starch, proteins and certain polymers in organic solvents.
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