Study the given Venn diagram carefully.
Which of the following colloidal systems
correctly represent points 1, 2 and 3?
| 1 | 2 | 3 | |
| A | Mist | Whipped cream | Dust fumes |
| B | Milk | Hair cream | Pumice stone |
| C | Paints | Smoke | Cloud |
| D | Coloured glasses | Wings of butterflies | Butter |