- 1. Where is the earliest known evidence of soap-making from?
A) Egypt
B) Babylon
C) China
D) Greece
- 2. Which civilization is known for adding fragrance to soap?
A) Chinese
B) Ancient Egyptians
C) Ancient Romans
D) Indigenous Americans
- 3. What was the primary use of soap in the Middle Ages?
A) Textile dyeing
B) Medicine
C) Cooking
D) Bathing and cleaning
- 4. What process involves mixing fats and lye to produce soap?
A) Distillation
B) Saponification
C) Fermentation
D) Hydrolysis
- 5. Which animal fat was commonly used in Europe for soap-making?
A) Lard
B) Butter
C) Tallow
D) Cod liver oil
- 6. What city was known as a soap-making center in the 19th century?
A) Berlin
B) Paris
C) Marseille
D) London
- 7. What is a common advantage of glycerin soap?
A) Longer shelf life
B) Higher lathering
C) Thicker texture
D) Moisturizing properties
- 8. Which type of soap is known for being milder and often used for baby products?
A) Syndet bar
B) Glycerin soap
C) Castile soap
D) Lye soap
- 9. Which modern brand popularized liquid soap in the late 20th century?
A) Fels-Naptha
B) Softsoap
C) Irish Spring
D) Dove
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