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