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Why is agitation necessary to get clean clothes? - CBSE Class 10 - Science

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Question

 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?

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.

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APPEARS IN

 NCERT Solution for Science Textbook for Class 10 (2019 to Current)
Chapter 4: Carbon and its Compounds
Q: 2 | Page no. 76

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Solution Why is agitation necessary to get clean clothes? Concept: Soaps and Detergents.
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