A mixture that can be separated by sublimation is

Name any two solid substances whose mixture can be separted by sublimation.

Identify the mixture in which the constituents cannot be separated by sublimation.

Mixtures that can be separated by simple distillation are-

Iodine can be separated from sand by sublimation.

(A) A mixture of comphor and benzoic acid cannot be separated by sublimation. (R) Camphor on heating sublimes but benzoic acid does not.