Before the days of electric or gas clothes dryers, clothes were hung outside to dry even when the temperature was well below freezing. They would freeze stiff and yet in a few hours would be dry. How is this possible?
Solution:
When temperature is below freezing and we put clothes outiside to get dry. It is due to fact that water in clothes get freezes and then sublimates, to escape from clothes in the form of water vapours and then clothes will be dry.
Sublimation is the process of converting solid into gas directly without getting converted into liquid.
Hope, it helps. :)
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