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Soap. Objectives. Making soaps. Soaps are made from fatty acids and metallic ions such as sodium They are made by combining strong alkalis such as sodium or potassium hydroxide with oils or fats . What is a lipid ?. What is a fatty acid ?. Can you give them IUPAC names ?.

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Presentation Transcript

  1. Soap

  2. Objectives

  3. Makingsoaps • Soaps are madefromfattyacids and metallicionssuch as sodium • They are madebycombiningstrongalkalissuch as sodiumorpotassiumhydroxidewithoilsorfats.

  4. Whatis a lipid?

  5. Whatis a fattyacid? Can yougivethem IUPAC names?

  6. ChemicalReaction • 2 stages • 1. fattyacids are separatedfromtheirglycerolchain • 2. Thealkalireactswiththefattyacidproducing a metaliccarboxylatesalt and water.

  7. Diagram

  8. Howsoapswork

  9. Howsoapswork 2

  10. Labsession • Wewillmakesoap in thelabusingcoconutoil. • Butwecould use otheroils • Wecouldaddessentialoils to providescent • And colours • Wecouldmould to differentshapes

  11. Competition • Eachtablemustdesign and developtheirownsoap. Considerthese • Brand name • Shape • Colour • Scent • Target market • Publicitymaterials • Cost to make and to be sold • Packaging

  12. Rubric

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