Question

Give reason for the following Sublimation is reversible/irreversible change. Why?

Answer 1

Answer:

It is a reversible change.

Explanation:

Sublimation is the process by which solid substances are directly transformed into their gas state by heating them.

A very common example of this is moth balls, they vapourise.

This process is reversible as like the way substances transform directly into gas, gases can also be transformed into solid form by exposing them to extremely low temperatures.

A common example of this: Co2 ( also called dry ice) solidifies if exposed to extreme low temperatures.

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