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प्रश्न
Method by which lyophobic sol can be protected?
विकल्प
By addition of oppositely charged sol.
By addition of an electrolyte.
By addition of lyophilic sol.
By boiling.
उत्तर
By addition of lyophilic sol.
Explanation:
Lyophilic colloids have unique property of protecting lyophobic colloids. When a lyophilic sol is added to lyophobic solution, the lyophilic particles from a layer around the lyophobic particles and project the latter from electrolytes. Lyophilic vcolloids used for this purpose are called protective colloids.
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संबंधित प्रश्न
Define the following terms: Lyophilic colloid
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How are colloids classified on the basis of Nature of dispersion medium
How are colloids classified on the basis of Interaction between dispersed phase and dispersion medium?
Which of the following interface cannot be obtained?
Movement of dispersion medium under the influence of electric field is known as ______.
