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Questions and Answers
What is the primary function of the viscous liquid or semi-solid emulsions of either the oil-in-water or water-in-oil type dosage forms?
What is the main purpose of a mixture of fragrant essential oils or aroma compounds, fixatives, and solvents, usually in liquid form, that is used to give the human body, animals, food, objects, and living-spaces an agreeable scent?
What is the chemical composition of talcum powder, which is a cosmetic?
What is the primary purpose of a substance that is applied to the body to prevent or mask body odor due to bacterial breakdown of perspiration?
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What type of cream is known as a moisturizer or moisturizing cream?
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What type of cream is used for personal hygiene and beautification?
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What type of cream seems to disappear when rubbed onto the skin, which is an example of a vanishing cream?
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Which of the following is a key step in the saponification process?
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What is the primary role of chemicals in detergents?
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What is a common ingredient found in soap?
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Study Notes
Soap and Detergent
- Potassium oleate and Sodium oleate are examples of soap.
- Essential oils are not a type of soap.
- Sodium stearate is a type of soap.
Detergent
- A detergent is a substance or mixture containing soaps and/or surfactants intended for washing and cleaning processes.
- Detergent is not the same as bleach or bile.
Ingredients of Detergent
- Citric acid powder is not a chemical ingredient of making detergent powder.
- Curd soap, dishwashing, and hand sanitizer are not typically used in making detergent powder.
- Baking soda is a chemical ingredient of making detergent powder.
Chemical Additives
- Bleach is a chemical that helps in enhancing the cleaning performance by improving the stability of the detergent solutions and reducing the buildup of dirt and oil in clothes.
- Amine oxide provides grease emulsification and soil suspension.
- Dioxane is a chemical that is used as a solvent and degreaser and is identified as a human carcinogen.
Preservatives and Antibacterial Agents
- Formaldehyde is a low-cost preservative and antibacterial agent commonly used in detergents and dishwashing liquids.
- Alkyl sulfate is not a preservative and antibacterial agent.
Cream Ingredients
- PEGylated alkyl glycerides are ingredients of creams that range from oily liquids to waxy solids, depending on alkyl chain length and degree of PEGylation.
- Glyceride oil forms a barrier on the surface of the skin and slows down the loss of water, helping to maintain plumpness of skin.
- Talcum powder absorbs moisture well and helps cut down on friction, making it useful for keeping skin dry and helping prevent rashes.
Hazardous Chemicals
- Phthalates and Triclosan are hazardous chemicals found in deodorant.
- Aluminum is not a hazardous chemical found in deodorant.
Soap Making
- Saponification is the scientific term used for the process of making soap.
- Soap is a cleansing and emulsifying agent made usually by action of alkali on fat or fatty acids.
Uses of Soap
- Soap is used for cleansing the body.
- Soap does not stimulate the glands to secrete sebum.
- Maintaining the dryness of the skin and moisturizing and protecting the skin are not primary uses of soap.
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Description
Test your knowledge on soap and detergent chemistry with this quiz. Identify examples of soaps, understand the composition of detergents, and recognize chemical ingredients used in making detergent powder.
