Soap Making from Scratch Quiz

What is the primary purpose of historically made soap?

• Preparing wool for dyeing

• Religious ceremonies

• Personal hygiene

• Cleaning the body with oils and sand

What is the process called when fatty acids from animal fat or plant-based oils mix with an alkaline solution to form a fatty acid salt?

• Oxidation

• Hydrolysis

• Saponification

• Esterification

What is the purpose of the hydrophilic end of a soap molecule?

• To repel water

• To bind with dirt and grease

• To neutralize the alkaline solution

• To create suds

Which compound is used to make soap when combining wood fire ash with animal fats?

• Sodium carbonate

• Sodium hydroxide

• Calcium hydroxide

• Potassium carbonate

What is the potential risk of leftover lye in soap?

• Enhanced fragrance

• Increased lathering

• Skin irritation

• Color discoloration

What is the purpose of adding lavender to the soap?

• Neutralize the alkaline solution

• Increase lathering

• Enhance fragrance

• Repel water

Which method did Chris use to make soap?

• Lukewarm method

• Primitive method

• Hot method

• Cold method

What was the result of combining all the different fats into one soap?

• Slimy texture and poor cleaning

• Neutral fragrance and good lathering

• Chemical burns and excessive lathering

• Caustic and unpleasant smell

What was the outcome of testing the soap on the pig hide?

• None of the soaps were effective in cleaning the pig hide

• Some soaps were slimy and others had good lathering

• Most soaps caused skin irritation

• All soaps had a neutral fragrance and good lathering

What was the result of using the homemade mold for the soap?

• The soap did not hold the shape

• The soap had a neutral fragrance and good lathering

• The soap had a caustic smell and poor lathering

• The soap had a slimy texture and poor cleaning