Question

Why does the skin of our finger shrink when we wash clothes for a long time. name the phenomena

Answer 1

The skin is porous and transforms in to a semi permeable membrane. The hands imbibe similar characteristic very similar to a hypertonic solution.

Water also flows from higher concentration to the lower concentration region. Water leaves the hands instead of entering into the skin, therefore it shrinks.

Water will create some amount of moisture on the skin and it can shrink the skin of our hands.

Answer 2

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When we wash clothes, our hands are exposed to water for a long time. ... So actually the water is not absorbed here just leaving and thus it shrinks. Soap solution is a hypertonic solution i.e., more concentrate than our skin cells. The process is called exosmosis.