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Q. 2. 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?
Answers (1)
Soap molecules form spherical structures known as micelles.
Thee oily dirt are trapped inside these micelles which remain suspended as colloid.
Hence, to remove these micelles containing the dirt, the clothes are agitated.
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