The method of formation of the solution is given in Column I. Match it with the type of solution given in Column II.
| Column I | Column II |
| (A) Sulphur vapours passed through cold water | 1. Normal electrolyte solution |
| (B) Soap mixed with water above critical micelle concentration | 2. Molecular colloids |
| (C) White of egg whipped with water | 3. Associated colloid |
| (D) Soap mixed with water below critical micelle concentration | 4. Macromolecular colloids |
Codes
| A | B | C | D | |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 1 | 2 | 3 | 4 |
| 3. | 1 | 4 | 3 | 2 |
| 4. | 4 | 1 | 3 | 2 |
Hint: Colloids are mixtures in which microscopically dispersed insoluble particles of one substance are suspended in another substance.
When sulphur vapours passed through cold water it leads to the formation of molecular colloids.
When soap is mixed with water above critical micelle concentration it leads to the formation of associated colloids.
White egg whipped with water is an example of macromolecular colloids in which high molecular mass proteinaceous molecule acts as a colloidal particle.
Soap mixed with water below critical micelle concentration is known as the normal electrolyte solution.
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