Question

3. Why does the skin of your finger shrink when you wash clothes for a long time?

Answer 1

The process is called exosmosis. During washing of clothes, exosmosis takes place in the skin cells. this leads to shrinkage of skin over the fingers while washing clothes for a long time.

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Answer 2

In soap water there are a lot of solutes hence it has more concentration then the cells of our hands. It is an exosmotic process where the in which the water molecules move from lower solute concentration to higher solute concentration. This causes our fingers to shrink in a hypertonic way.