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