Match List I with List II.
| List I | List II |
| (A) Solid in liquid | (I) Foam |
| (B) Liquid in solid | (II) Sol |
| (C) Liquid in liquid | (III) Gel |
| (D) Gas in liquid | (IV) Emulsion |
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → (A)-(II), (B)-(III), (C)-(IV), (D)-(I)
A colloid is named by its dispersed phase and dispersion medium.
(A) Solid in liquid — (II) Sol, e.g. paints, cell fluids.
(B) Liquid in solid — (III) Gel, e.g. cheese, butter, jellies.
(C) Liquid in liquid — (IV) Emulsion, e.g. milk, hair cream.
(D) Gas in liquid — (I) Foam, e.g. froth, whipped cream, soap lather.
Note 1: This question is from the pre-rationalised NCERT book (2022-23). The topic is not there in the latest NCERT book (2026-27), and it is also out of the CUET 2026 syllabus.
NCERT (Pre-rationalised edition, 2022-23):
Classification Based on Physical State of Dispersed Phase and Dispersion Medium – …

Note 2: The same/similar question has been asked in different years by NTA as per the details given below:
| 2026 | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|
| – | – | – | 09-06 S3 30-05 S2 | – |