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