When heated, solid iodine sublimes i.e. it directly changes into a gaseous state without converting to liquid state. Which of the following is NOT true for iodine sublimation?
The change is reversible.
The correct option is C The change is chemical.
In sublimation of iodine, a change of state occurs from solid to gas without converting to liquid. It is a physical change which happens quickly, and is reversible too.