Soap Making

What chemical is mixed with fat or oil to make soap?

• Potassium hydroxide

• Sodium hydroxide

• Sodium chloride

• Hydrochloric acid

What is the process of making soap called?

• Fermentation

• Neutralization

• Saponification

• Hydrolysis

What safety equipment is necessary when making soap?

• Safety goggles, gloves, and lab coat

• Helmet and knee pads

• Life jacket

• Fire extinguisher

What is the chemical name of the most common fatty-acid molecule found in coconut oil?

• Stearic acid

• Palmitic acid

• Oleic acid

• Lauric acid

What property of soap molecules makes them effective at cleaning?

• They have a dual nature, being both hydrophilic and hydrophobic

• They are hydrophilic

• They are acidic

• They are hydrophobic

What does the term 'molar' refer to in the context of the sodium hydroxide solution used?

• The color of the solution

• The concentration of a solution

• The temperature of the solution

• The shape of the solution

What is the result of the saponification reaction?

• Sodium chloride and water

• Sodium hydroxide and glycerol

• Glycerol and fatty-acid molecules

• Carbon dioxide and water

What is used to measure the pH of the soap?

• Litmus paper

• Burette

• pH meter

• pH paper