How to make your own soap
  • 1. What is the process of making soap called?
A) Neutralization
B) Esterification
C) Saponification
D) Transesterification
  • 2. Which of these is a common base used in soap making?
A) Hydrochloric Acid
B) Citric Acid
C) Acetic Acid
D) Lye (Sodium Hydroxide or Potassium Hydroxide)
  • 3. What type of lye is used for making hard bar soap?
A) Calcium Hydroxide (Ca(OH)2)
B) Potassium Hydroxide (KOH)
C) Sodium Hydroxide (NaOH)
D) Magnesium Hydroxide (Mg(OH)2)
  • 4. What type of lye is used for making liquid soap?
A) Sodium Hydroxide (NaOH)
B) Lithium Hydroxide (LiOH)
C) Potassium Hydroxide (KOH)
D) Ammonium Hydroxide (NH4OH)
  • 5. Why is it crucial to wear protective gear when working with lye?
A) Lye is corrosive and can cause burns.
B) Lye is only dangerous if ingested.
C) Lye is flammable.
D) Lye is poisonous if inhaled.
  • 6. What is the purpose of using oils in soap making?
A) Oils prevent the lye from reacting.
B) Oils react with lye to create soap.
C) Oils only add fragrance.
D) Oils act as a coloring agent.
  • 7. Which of the following is a good source of fatty acids for soap making?
A) Borax
B) Olive Oil
C) Glycerin
D) Water
  • 8. What does the term 'superfatting' refer to in soap making?
A) Adding extra fragrance to the recipe.
B) Adding extra oil to the recipe to ensure no lye remains.
C) Using only animal fats.
D) Adding extra lye to the recipe.
  • 9. What does 'trace' refer to in soap making?
A) The type of fragrance added.
B) The temperature of the oils.
C) The point where the soap batter thickens enough to leave a trail.
D) The amount of lye used.
  • 10. What is the 'cold process' method of soap making?
A) Using only frozen oils.
B) Combining lye and oils at lower temperatures.
C) Refrigerating the soap during curing.
D) Using only cold water.
  • 11. What is the 'hot process' method of soap making?
A) Cooking the soap batter after it has reached trace.
B) Heating the lye before mixing.
C) Using only hot water.
D) Curing the soap in a heated oven.
  • 12. What is 'curing' soap?
A) Boiling the soap to remove impurities.
B) Adding extra fragrance to the soap.
C) Freezing the soap to preserve it.
D) Allowing the soap to sit for several weeks to harden and lose excess water.
  • 13. Why is curing important for soap?
A) It allows the soap to harden, and the saponification process to complete.
B) It prevents the soap from melting.
C) It changes the color of the soap.
D) It makes the soap more fragrant.
  • 14. Which of the following is a natural colorant for soap?
A) Acrylic Paint
B) Food Coloring
C) Hair Dye
D) Clay
  • 15. Which of the following is a natural exfoliant for soap?
A) Oatmeal
B) Sugar
C) Salt
D) Sand
  • 16. How is the amount of lye needed calculated for a specific batch of soap?
A) Asking a friend.
B) Using a soap calculator.
C) Using the same amount as oil.
D) Guessing.
  • 17. What is the purpose of adding essential oils to soap?
A) To make the soap last longer.
B) To make the soap lather better.
C) To add fragrance and potential therapeutic benefits.
D) To help the soap harden faster.
  • 18. What kind of container should you NOT use when mixing lye and water?
A) Heat-resistant plastic
B) Glass
C) Stainless steel
D) Aluminum
  • 19. What should you do if you accidentally get lye on your skin?
A) Rinse immediately with large amounts of water.
B) Apply vinegar.
C) Ignore it and wait for it to heal.
D) Cover with a bandage.
  • 20. Which oil contributes to a bubbly lather in soap?
A) Shea butter
B) Castor oil
C) Coconut oil
D) Olive oil
  • 21. Which oil is known for moisturizing properties in soap?
A) Palm oil
B) Lard
C) Shea butter
D) Coconut oil
  • 22. What can cause a soap to be too soft?
A) Curing for too long.
B) Using too much lye.
C) Adding too much fragrance.
D) Using too much liquid or not enough hard oils.
  • 23. What can cause a soap to be drying to the skin?
A) Not curing the soap long enough.
B) Using too much lye or too many cleansing oils.
C) Using too much superfat.
D) Adding too much water.
  • 24. What is 'DOS' in soapmaking, and what does it stand for?
A) Drying Oil Surface, the skin drying out.
B) Dreaded Orange Spots, a sign of rancidity.
C) Dangerous Oil Syndrome, a dangerous chemical reaction.
D) Deodorant Oil Separation, oil leaking from deodorant.
  • 25. What is the purpose of adding beeswax to soap?
A) To increase lather.
B) To make the soap more transparent.
C) To add fragrance.
D) To harden the bar and add a protective layer.
  • 26. What is glycerin in soap making?
A) A type of fragrance.
B) An additive used to harden soap.
C) An additive used to increase lather.
D) A natural byproduct of saponification, a humectant.
  • 27. How should you store soap making oils and lye?
A) In direct sunlight to prevent spoilage.
B) Mixed together for easy access.
C) In clearly labeled, airtight containers, away from children and pets.
D) In the refrigerator.
  • 28. What is water discount in soap making?
A) Using less water than the soap calculator recommends.
B) Using distilled water.
C) Using more water than the soap calculator recommends.
D) Using tap water.
  • 29. What can cause soap to seize?
A) Too much stirring.
B) Certain fragrances, high temperatures, or a recipe imbalance.
C) Adding too much colorant.
D) Using only natural oils.
  • 30. What is the pH level of properly made soap?
A) Between 12 and 14.
B) Between 2 and 4.
C) Between 8 and 10.
D) Exactly 7.
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