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प्रश्न
How are colloids classified on the basis of the nature of the dispersion medium?
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उत्तर
On the basis of the dispersion medium, sols can be divided as:
| Dispersion medium | Name of sol |
| Water | Aquasol or hydrosol |
| Alcohol | Alcosol |
| Benzene | Benzosol |
| Gases | Aerosol |
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.
Out of sulphur sol and proteins, which one form multimolecular colloids?
Give reasons for the following observations: Lyophilic sol is more stable than lyophobic sol.
Define the following term:
Multimolecular colloids
How are colloids classified on the basis of Physical states of components
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 |
Differentiate between the following:
Lyophobic Sol and Lyophilic Sol
