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Questions and Answers
Which type of fats are combined with glycerin and known as tri-glycerides?
Which type of fats are combined with glycerin and known as tri-glycerides?
- Animal fats
- Artificial fats
- Processed fats
- Vegetable fats (correct)
What effect does hydrogenation of unsaturated fatty acids have?
What effect does hydrogenation of unsaturated fatty acids have?
- Improves color and eliminates odor (correct)
- Increases rancidity
- Reduces melting point
- Decreases stability
In cosmetics, which oil is used as a solvent for eosin and imparts spreading quality?
In cosmetics, which oil is used as a solvent for eosin and imparts spreading quality?
- Soybean oil
- Almond oil
- Castor oil (correct)
- Olive oil
Which oil is rich in phytosterol, lecithin, and vitamins A, B, C, and E, making it valuable for body massage?
Which oil is rich in phytosterol, lecithin, and vitamins A, B, C, and E, making it valuable for body massage?
What is the main characteristic of ceresin?
What is the main characteristic of ceresin?
Which acid is also called vitamin F and occurs in some fats?
Which acid is also called vitamin F and occurs in some fats?
What is the main reason waxes are used in cosmetics?
What is the main reason waxes are used in cosmetics?
What is the key difference between saturated and unsaturated fatty acids?
What is the key difference between saturated and unsaturated fatty acids?
What is the physical state of oleic acid at room temperature?
What is the physical state of oleic acid at room temperature?
What is the main use of myristic acid?
What is the main use of myristic acid?
What is the purpose of the saponification value of fatty acids?
What is the purpose of the saponification value of fatty acids?
What type of pH do emulsions produced by cationic emulsifiers tend to have?
What type of pH do emulsions produced by cationic emulsifiers tend to have?
Which type of emulsifier does not ionize?
Which type of emulsifier does not ionize?
What properties should preservatives in cosmetics have?
What properties should preservatives in cosmetics have?
What is a common use of perfumes in cosmetics?
What is a common use of perfumes in cosmetics?
Which type of chemicals are typically used as preservatives in cosmetics?
Which type of chemicals are typically used as preservatives in cosmetics?
Which category of perfumery materials are musk, civet, and ambergus commonly classified under?
Which category of perfumery materials are musk, civet, and ambergus commonly classified under?
Which of the following is NOT a characteristic of non-ionic emulsifiers?
Which of the following is NOT a characteristic of non-ionic emulsifiers?
What is the general trend in the usage of perfumery materials due to their high cost?
What is the general trend in the usage of perfumery materials due to their high cost?
Which range of volatility on a scale of 1-100 do musk-based perfumes typically fall under?
Which range of volatility on a scale of 1-100 do musk-based perfumes typically fall under?
Why is it recommended to add perfume into a cream or lotion during the cooling stage of the manufacturing process?
Why is it recommended to add perfume into a cream or lotion during the cooling stage of the manufacturing process?
Which group of chemicals among the following can cause skin irritation according to the text?
Which group of chemicals among the following can cause skin irritation according to the text?
Why is it essential to use pure water in the preparation of cosmetics?
Why is it essential to use pure water in the preparation of cosmetics?
What is the primary use of linseed oil in sunburn preparations?
What is the primary use of linseed oil in sunburn preparations?
Which type of lecithin is obtained from soybean?
Which type of lecithin is obtained from soybean?
Which property of triethanolamine (TEA) soaps makes them suitable for use in cosmetics?
Which property of triethanolamine (TEA) soaps makes them suitable for use in cosmetics?
What is the primary advantage of using cholesterol over lanolin in cosmetic products?
What is the primary advantage of using cholesterol over lanolin in cosmetic products?
Which statement about the two main types of bentonite is correct?
Which statement about the two main types of bentonite is correct?
What is the primary function of bentonite in cosmetic formulations?
What is the primary function of bentonite in cosmetic formulations?
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