Answer :

Cleansing action of soap


i. Soap has one polar end and one non-polar end.


ii. The polar end is hydrophilic in nature and attracted towards water whereas the non-polar end is hydrophobic in nature and attracted towards the oil or grease


iii. When soap is dissolved in water, its hydrophobic ends attach to the dirt.


iv. The hydrophobic ends try to pull out the dirt.


v. The molecules of soap surround the dirt particles at the center of the cluster and form a spherical structure called micelle.


vi. The dust particles remain trapped in micelles which are easily rinsed away with water.


vii. That’s how soap clean the clothes.



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