Q.17. When any material or seeds are kept in water, they swell up. Name and define the phenomenon involved in this change. Describe the two conditions necessary for the phenomenon to occur.

Dear Student, 

This phenomenon is known as Imbibition
It is the phenomenon by which the Solid particles of a substance adsorb water or any other liquid.
Two conditions necessary for this phenomenon to occur 
a) The affinity between liquid and absorbent.
b) The water potential gradient between the absorbent and the imbibed liquid.


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