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Maharashtra State BoardSSC (English Medium) 7th Standard

How does the use of detergent help to clean soiled clothes? - General Science

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Question

How does the use of detergent help to clean soiled clothes?

Long Answer
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Solution

Detergents are substances that help clean dirty clothes by breaking down and removing dirt, grease, and stains. They contain surfactants, which reduce the surface tension of water, allowing it to pass through clothes more easily. Surfactants feature a hydrophilic (water-attracting) head and a hydrophobic (water-repelling) tail, allowing them to surround and remove dirt and oil from fabric. This technique rinses the dirt away with water, resulting in cleaner clothes.

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Chapter 15: Materials We Use - Exercise [Page 103]

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Balbharati General Science [English] Standard 7 Maharashtra State Board
Chapter 15 Materials We Use
Exercise | Q 2.1 | Page 103
Balbharati General Science Integrated [English] Standard 7 Maharashtra State Board
Chapter 15 Materials we Use
Exercise | Q 2. (a) | Page 97
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