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