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प्रश्न
What type of colloid is formed when a gas is dispersed in a liquid? Give an example
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उत्तर
When a gas is dispersed in a liquid then foam type of colloid is formed.
Example: Froth and whipped cream
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संबंधित प्रश्न
What are micelles? Give an example of a micellers system.
Write an important characteristic of lyophilic sols.
At high concentration of soap in water, soap behaves as ______.
Which of the following options are correct?
(i) Micelle formation by soap in aqueous solution is possible at all temperatures.
(ii) Micelle formation by soap in aqueous solution occurs above a particular concentration.
(iii) On dilution of soap solution micelles may revert to individual ions.
(iv) Soap solution behaves as a normal strong electrolyte at all concentrations.
Method of formation of solution is given in Column I. Match it with the type of solution given in Column II.
| Column I | Column II |
| (i) Sulphur vapours passed through cold water | (a) Normal electrolyte solution |
| (ii) Soap mixed with water above critical micelle concentration | (b) Molecular colloids |
| (iii) White of egg whipped with water | (c) Associated colloid |
| (iv) Soap mixed with water below critical micelle concentration | (d) Macro molecular colloids |
The formation of micelles take place only above
Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is:-
At CMC (Critical micelle concentration) the surface molecules ______.
Differentiate between the following:
Multimolecular Colloid and Macromolecular colloid
Which of the following is kinetic property of colloidal solutions?
