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Why during rainy seasons, the wooden do...

Why during rainy seasons, the wooden doors and windows are difficult to closs and open ? Give the phenomenon behind this and also define the phenomenon.

Text Solution

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The swelling of wooden windows, doors due to high humidity during the rainy season is due, to imbibition. Imbibition refers to the uptake of water and swelling of the substances which are not water-soluble.
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Assertion (A) : The swelling of wooden windows tables, doors due to high humidity during the rainy season. Reason (R ) : Because of imbibition . Imbibition is the capacity of a gel or any other colloidal material to make up relatively large quantities of water and swell.