Question

Iodine sublimes on heating i.e., directly changes into a gas state without going through liquid state. Which of the following change is not true for iodine sublimation?

a) change is fast

b) change is physical

c) change is chemical

d) change is reversible
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Answer 1

Answer:

change is reversible

Explanation:

because the process is fast as we provide heat , in other words its also a chemical change and it is physical change also as it occurs at certain room temperature but its not reversible