Question

What are sublimatory and non sublimatory substance

Answer 1

sublimatory substances are those which sublime. examples include carbon dioxide, camphor, ammonium chloride,etc
non sublimatory substances are those substances which do not sublime. examples include water, etc

Answer 2

sublimatory substance are substances that sublime ie)solid changing into vapour skipping the liquid state and in turn the vapour changes directly to solid.
e.g.amonium chloride ,iodine ,camphor ,naphtalene etc.

non sublimatory substance are substances that do not sublime
e.g. water , butter etc.