Clean-up operations after the 2010 Gulf of Mexico oil spill. Magnetic dispersants could help reduce pollution after spills
The terms in red link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the Highers/Advanced Highers exam specifications.
Soaps are potassium or sodium salts of fatty acids, produced by the break-up of fats in a reaction called saponification. Soap molecules have characteristic hydrophilic and hydrophobic portions. The hydrophobic tail contains no electronegative atoms, so does not bond with water. However, the hydrophilic head forms hydrogen bonds with water and acts as an emulsifier.
Your organisation does not have access to this article.
Sign up today to give your students the edge they need to achieve their best grades with subject expertise
Subscribe
