Question

With the help of air and heat of the environment, part of the moth ball has evaporated or turned into gas. The same happens to solid air fresheners. They become smaller after some time because they evaporated into the air. The process of changing solid into gas without going through the liquid phase is called sublimation. Can you give other example of materials which undergo sublimation?
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Answer 1

Answer:

Explanation:

Sublimation is an interesting physical change where substances change directly from a solid to a gas without passing through the liquid state. Dry ice sublimes, as do iodine and mothballs. This experiment involves the study of another common substance that sublimes – air freshener.