Chemistry·Materials · NSSCO 3.3
Cleaning materials — soaps & detergents
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Water alone can't shift grease — but soap can. Learn the clever two-ended structure of a soap or detergent molecule, how it lifts grease off in an emulsion, how soap is made from fats and oils, and what biodegradable means for the environment.
What you'll learn in this lesson
By the end you should be able to (NSSCO Chemistry 3.3):
- Outline and sketch the generalised structure of a soap or detergent
- Explain how the structure allows it to act as an emulsifying agent
- Identify common cleaning materials such as soaps or detergents
- Outline the preparation of soap through hydrolysis of fat or oil
- Interpret the terms biodegradable and non-biodegradable in relation to the environment
- Outline the advantages and disadvantages of using soaps and detergents
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