1.

Statement 1: It becomes difficult to open and shut the wooden doors and windows during rainy season. Statement 2: Wooden doors and windows imbibe water in rainy season and thus their volume is increased.A. Both statements `1` and `2` are correct.B. Statement `1`is correct but statement `2` is incorrect.C. Statement `1` is incorrect but statement`2` is correct.D. Both statements `1` and `2` are incorrect.

Answer» Correct Answer - A
Wooden doors and windows adsorb water in humid rainy season and increase in their volume so that they are hard to open or close. If a dry piece of wood is placed in water it swells and increases its volume During imbibition the water molecules get tightly adsorbed and become immobilised.


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