How to make your own soap - Quiz
  • 1. What is the process of making soap called?
A) Esterification
B) Transesterification
C) Neutralization
D) Saponification
  • 2. Which of these is a common base used in soap making?
A) Acetic Acid
B) Citric Acid
C) Lye (Sodium Hydroxide or Potassium Hydroxide)
D) Hydrochloric Acid
  • 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) Sodium Hydroxide (NaOH)
B) Potassium Hydroxide (KOH)
C) Lithium Hydroxide (LiOH)
D) Ammonium Hydroxide (NH4OH)
  • 5. Why is it crucial to wear protective gear when working with lye?
A) Lye is flammable.
B) Lye is poisonous if inhaled.
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 prevent the lye from reacting.
B) Oils only add fragrance.
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) Borax
B) Glycerin
C) Olive Oil
D) Water
  • 8. What does the term 'superfatting' refer to in soap making?
A) Adding extra fragrance to the recipe.
B) Adding extra lye to the recipe.
C) Adding extra oil to the recipe to ensure no lye remains.
D) Using only animal fats.
  • 9. What does 'trace' refer to in soap making?
A) The temperature of the oils.
B) The point where the soap batter thickens enough to leave a trail.
C) The type of fragrance added.
D) The amount of lye used.
  • 10. What is the 'cold process' method of soap making?
A) Combining lye and oils at lower temperatures.
B) Using only frozen oils.
C) Using only cold water.
D) Refrigerating the soap during curing.
  • 11. What is the 'hot process' method of soap making?
A) Cooking the soap batter after it has reached trace.
B) Curing the soap in a heated oven.
C) Heating the lye before mixing.
D) Using only hot water.
  • 12. What is 'curing' soap?
A) Adding extra fragrance to the soap.
B) Allowing the soap to sit for several weeks to harden and lose excess water.
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 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) Hair Dye
C) Food Coloring
D) Clay
  • 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) 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 make the soap lather better.
B) To make the soap last longer.
C) To help the soap harden faster.
D) To add fragrance and potential therapeutic benefits.
  • 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) Cover with a bandage.
B) Apply vinegar.
C) Rinse immediately with large amounts of water.
D) Ignore it and wait for it to heal.
  • 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) Palm oil
D) Shea butter
  • 22. What can cause a soap to be too soft?
A) Curing for too long.
B) Adding too much fragrance.
C) Using too much liquid or not enough hard oils.
D) Using too much lye.
  • 23. What can cause a soap to be drying to the skin?
A) Using too much superfat.
B) Adding too much water.
C) Not curing the soap long enough.
D) Using too much lye or too many cleansing oils.
  • 24. What is 'DOS' in soapmaking, and what does it stand for?
A) Dangerous Oil Syndrome, a dangerous chemical reaction.
B) Dreaded Orange Spots, a sign of rancidity.
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 add fragrance.
C) To increase lather.
D) To make the soap more transparent.
  • 26. What is glycerin in soap making?
A) An additive used to harden soap.
B) An additive used to increase lather.
C) A natural byproduct of saponification, a humectant.
D) A type of fragrance.
  • 27. How should you store soap making oils and lye?
A) In the refrigerator.
B) Mixed together for easy access.
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) Adding too much colorant.
B) Using only natural oils.
C) Too much stirring.
D) Certain fragrances, high temperatures, or a recipe imbalance.
  • 30. What is the pH level of properly made soap?
A) Between 12 and 14.
B) Between 2 and 4.
C) Exactly 7.
D) Between 8 and 10.
Created with That Quiz — where test making and test taking are made easy for math and other subject areas.