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Question
Match the types of colloidal systems given in Column I with the name given in Column II.
| Column I | Column II |
| (i) Solid in liquid | (a) Foam |
| (ii) Liquid in solid | (b) Sol |
| (iii) Liquid in liquid | (c) Gel |
| (iv) Gas in liquid | (d) Emulsion |
Solution
| Column I | Column II |
| (i) Solid in liquid | (b) Sol |
| (ii) Liquid in solid | (c) Gel |
| (iii) Liquid in liquid | (d) Emulsion |
| (iv) Gas in liquid | (a) Foam |
Explanation:
Colloids are classified on the basis of types of dispersed phase and dispersion medium.
| Dispersed phase | Dispersion medium | Name | |
| (i) | Solid | Liquid | Sol |
| (ii) | Liquid | Solid | Gel |
| (iii) | Liquid | Liquid | Emulsion |
| (iv) | Gas | Liquid | Foam |
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