JEE Main 20204 SeptemberMorning Shift
- Exam
- JEE Main
- Year
- 2020
- Date
- 4 September
- Shift
- Morning Shift
- Subject
- Chemistry
- Chapter
- Surface Chemistry
JEE Main 2020 · 4 September · Morning Shift · Chemistry · Surface Chemistry
Match the following: (i) Foam (a) smoke (ii) Gel (b) cell fluid...
Match the following:
| (i) Foam | (a) smoke |
| (ii) Gel | (b) cell fluid |
| (iii) Aerosol | (c) jellies |
| (iv) Emulsion | (d) rubber |
| (e) froth | |
| (f) milk |
Options
- A(i) – (b), (ii) – (c), (iii) – (e), (iv) – (d)
- B(i) – (d), (ii) – (b), (iii) – (a), (iv) – (e)
- C(i) – (e), (ii) – (c), (iii) – (a), (iv) – (f)
- D(i) – (d), (ii) – (b), (iii) – (e), (iv) – (f)
Correct answer
C. (i) – (e), (ii) – (c), (iii) – (a), (iv) – (f)
Step-by-step solution
| Dispersed Phase | Dispersion medium | Type of colloid | Examples |
| Solid | Solid | Solid sol | Some coloured glasses and gem stones |
| Solid | Liquid | Sol | Paints, cell fluids |
| Solid | Gas | Aerosol | Smoke, dust |
| Liquid | Solid | Gel | Cheese, butter, jellies |
| Liquid | Liquid | Emulsion | Milk, hai cream |
| Liquid | Gas | Aerosol | Fog, mist cloud, insecticide sprays |
| Gas | Solid | Solid sol | Pumice stone, foam rubber |
| Gas | Liquid | Foam | Froth, whipped cream, soap lather |