Why is agitation necessary to get clean clothes? - Science

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 People use a variety of methods to wash clothes. Usually after adding the soap, they ‘beat’ the clothes on a stone, or beat it with a paddle, scrub with a brush or the mixture is agitated in a washing machine. Why is agitation necessary to get clean clothes?

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Solution

A soap molecule has two parts namely hydrophobic and hydrophilic. With the help of these, it attaches to the grease or dirt particle and forms a cluster called micelle. These micelles remain suspended as a colloid. To remove these micelles, it is necessary to agitate clothes.

Concept: Soap
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Chapter 4: Carbon and its Compounds - Intext Questions [Page 76]

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NCERT Science Class 10
Chapter 4 Carbon and its Compounds
Intext Questions | Q 2 | Page 76

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