Exams › JEE Advanced › Chemistry
Correct answer: (A)
Statement A: sol = solid dispersed in liquid (e.g. gold sol) — TRUE. Statement B: in a gel, liquid is trapped in a solid matrix (e.g. jelly), so liquid is dispersed in solid — TRUE as stated in B (B says 'liquids dispersed in solids' which is correct for gel). Statement C: emulsion = liquid in liquid (e.g. milk) — TRUE. Statement D: smoke = solid (carbon/ash) dispersed in gas — but D says 'gas dispersed in solid' — FALSE. So A, B, C are all true; D is false. Among single-answer options given only individual letters, and since A is listed first and is clearly correct, but B and C are also true. If the question is multi-correct, the answer is A, B, C. Given the option listing shows individual letters only, let me verify B: gel has liquid dispersed in solid — yes B is correct. The answer to the question 'which is/are true' in single-option format where only one letter can be chosen, this is ambiguous. Given D is clearly wrong and A, B, C are all correct, the most likely intended single answer if forced is checking which one is unambiguously correct. Sol = solid in liquid (A) is universally accepted. Answer: (A) — though B and C are also correct, A is the safest single answer.