How to make your own soap - Quiz
  • 1. What is the process of making soap called?
A) Saponification
B) Neutralization
C) Esterification
D) Transesterification
  • 2. Which of these is a common base used in soap making?
A) Acetic Acid
B) Hydrochloric Acid
C) Citric 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) Potassium Hydroxide (KOH)
D) Magnesium Hydroxide (Mg(OH)2)
  • 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 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 prevent the lye from reacting.
B) Oils act as a coloring agent.
C) Oils react with lye to create soap.
D) Oils only add fragrance.
  • 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 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 type of fragrance added.
B) The amount of lye used.
C) The temperature of the oils.
D) The point where the soap batter thickens enough to leave a trail.
  • 10. What is the 'cold process' method of soap making?
A) Using only frozen oils.
B) Using only cold water.
C) Refrigerating the soap during curing.
D) Combining lye and oils at lower temperatures.
  • 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) Using only hot water.
D) Curing the soap in a heated oven.
  • 12. What is 'curing' soap?
A) Freezing the soap to preserve it.
B) Boiling the soap to remove impurities.
C) Adding extra fragrance to the soap.
D) Allowing the soap to sit for several weeks to harden and lose excess water.
  • 13. Why is curing important for soap?
A) It makes the soap more fragrant.
B) It allows the soap to harden, and the saponification process to complete.
C) It changes the color of the soap.
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) 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) Using a soap calculator.
B) Asking a friend.
C) Using the same amount as oil.
D) Guessing.
  • 17. What is the purpose of adding essential oils to soap?
A) To add fragrance and potential therapeutic benefits.
B) To make the soap lather better.
C) To make the soap last longer.
D) To help the soap harden faster.
  • 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) Ignore it and wait for it to heal.
B) Cover with a bandage.
C) Rinse immediately with large amounts of water.
D) Apply vinegar.
  • 20. Which oil contributes to a bubbly lather in soap?
A) Coconut oil
B) Olive oil
C) Castor oil
D) Shea butter
  • 21. Which oil is known for moisturizing properties in soap?
A) Coconut oil
B) Lard
C) Shea butter
D) Palm oil
  • 22. What can cause a soap to be too soft?
A) Curing for too long.
B) Using too much lye.
C) Using too much liquid or not enough hard oils.
D) Adding too much fragrance.
  • 23. What can cause a soap to be drying to the skin?
A) Using too much superfat.
B) Not curing the soap long enough.
C) Using too much lye or too many cleansing oils.
D) Adding too much water.
  • 24. What is 'DOS' in soapmaking, and what does it stand for?
A) Dreaded Orange Spots, a sign of rancidity.
B) Deodorant Oil Separation, oil leaking from deodorant.
C) Drying Oil Surface, the skin drying out.
D) Dangerous Oil Syndrome, a dangerous chemical reaction.
  • 25. What is the purpose of adding beeswax to soap?
A) To increase lather.
B) To make the soap more transparent.
C) To harden the bar and add a protective layer.
D) To add fragrance.
  • 26. What is glycerin in soap making?
A) An additive used to increase lather.
B) An additive used to harden soap.
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 clearly labeled, airtight containers, away from children and pets.
B) In direct sunlight to prevent spoilage.
C) In the refrigerator.
D) Mixed together for easy access.
  • 28. What is water discount in soap making?
A) Using more water than the soap calculator recommends.
B) Using less water than the soap calculator recommends.
C) Using distilled water.
D) Using tap water.
  • 29. What can cause soap to seize?
A) Using only natural oils.
B) Certain fragrances, high temperatures, or a recipe imbalance.
C) Too much stirring.
D) Adding too much colorant.
  • 30. What is the pH level of properly made soap?
A) Exactly 7.
B) Between 2 and 4.
C) Between 12 and 14.
D) Between 8 and 10.
Created with That Quiz — where test making and test taking are made easy for math and other subject areas.