Soap and Detergent Chemistry Quiz
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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?

  • To provide a consistent fragrance
  • To act as a deodorizer
  • To serve as a talcum powder
  • To vary in consistency based on the oil and water content (correct)
  • 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?

  • To provide a pleasant fragrance (correct)
  • To act as a cream
  • To serve as a talcum powder
  • To function as a deodorizer
  • What is the chemical composition of talcum powder, which is a cosmetic?

  • A mixture of fragrant essential oils and solvents
  • A hydrous silicate mineral composed of magnesium, silicon, oxygen, and water (correct)
  • A substance applied to the body to prevent or mask body odor
  • An oil-in-water or water-in-oil type emulsion
  • 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?

    <p>To function as a deodorant</p> Signup and view all the answers

    What type of cream is known as a moisturizer or moisturizing cream?

    <p>Cold cream</p> Signup and view all the answers

    What type of cream is used for personal hygiene and beautification?

    <p>Makeup cream</p> Signup and view all the answers

    What type of cream seems to disappear when rubbed onto the skin, which is an example of a vanishing cream?

    <p>Cleansing cream</p> Signup and view all the answers

    Which of the following is a key step in the saponification process?

    <p>Reacting fats or oils with a strong base like sodium hydroxide</p> Signup and view all the answers

    What is the primary role of chemicals in detergents?

    <p>To remove dirt and grease from surfaces</p> Signup and view all the answers

    What is a common ingredient found in soap?

    <p>Sodium hydroxide</p> Signup and view all the answers

    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.

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