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प्रश्न
How are colloids classified on the basis of Physical states of components
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उत्तर
Colloids can be classified on various bases of: -
On the basis of the physical state of the components (by components we mean the dispersed phase and dispersion medium). Depending on whether the components are solids, liquids, or gases, we can have eight types of colloids.
संबंधित प्रश्न
What are lyophilic and lyophobic colloids ? Which of these sols can be easily coagulated on the addition of small amounts of electrolytes?
Define the following terms: Lyophilic colloid
Write a method by which lyophobic colloids can be coagulated.
Give reasons for the following observations: Lyophilic sol is more stable than lyophobic sol.
Define the following term:
Multimolecular colloids
How are the colloidal solutions classified on the basis of physical states of the dispersed phase and dispersion medium?
Why are hydrophobic sols easily coagulated?
How are colloids classified on the basis of the nature of the dispersion medium?
How are colloids classified on the basis of interaction between the dispersed phase and the dispersion medium?
Which of the following interface cannot be obtained?
Method by which lyophobic sol can be protected?
What happens when gelatin is mixed with gold sol?
Match the items given in Column I and Column II.
| Column I | Column II |
| (i) Protective colloid | (a) \[\ce{FeCl3 + NaOH}\] |
| (ii) Liquid-liquid colloid | (b) Lyophilic colloids |
| (iii) Positively charged colloid | (c) Emulsion |
| (iv) Negatively charged colloid | (d) \[\ce{FeCl3}\] + hot water |
Movement of dispersion medium under the influence of electric field is known as ______.
Differentiate between the following:
Lyophobic Sol and Lyophilic Sol
