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The diagrams show how detergent removes oil droplets often contained in dirt. When the detergent dissolves in water, detergent molecules group themselves around an oil droplet (a). The water-repelling part of the molecules (light area) projects into the droplet, while the water-soluble part (dark area) remains in the water (b). The oil is held in suspension by the emulsifying action of the detergent and is carried away with the dirty water (c). steps in the manufacture of synthetic detergents
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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.
Timeline of the American Civil Rights Movement
Thanksgiving Celebration Traditional Dinner Setting Food Concept
Why Is Thanksgiving in the U.S. Celebrated on a Thursday?
Secret Service Agent Listens To Earpiece
Secret Service Code Names of 11 U.S. Presidents
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
Thanksgiving Turkey with all the sides
Why Do We Eat Turkey on Thanksgiving?
Artwork for themes for Pro-Con articles.
Pro and Con: Gun Control
Santa Claus flying in his sleigh, christmas, reindeer
Was Santa Claus a Real Person?

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Photos

The diagrams show how detergent removes oil droplets often contained in dirt. When the detergent dissolves in water, detergent molecules group themselves around an oil droplet (a). The water-repelling part of the molecules (light area) projects into the droplet, while the water-soluble part (dark area) remains in the water (b). The oil is held in suspension by the emulsifying action of the detergent and is carried away with the dirty water (c).
steps in the manufacture of synthetic detergents
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Key People

William Hesketh Lever
British entrepreneur