Laundry Quiz

What are detergents typically composed of?

• Alkali and glycerol

• Alkali and sulphuric acid

• Alkali and borax

• Alkali and fatty acid

Which of the following is an advantage of detergents over soaps?

• Form deposits with water salts

• Expensive than soaps

• Easily broken down by bacteria

• Readily soluble in cold water

What is the process of making soap called?

• Hydrolysis

• Esterification

• Emulsification

• Saponification

Which ingredient is essential in soap manufacturing?

• Naphtha

• Mineral oil

• Sodium chloride

• Caustic soda

What is the purpose of optical brightening agents?

• To make fabrics appear yellowish

• To make fabrics appear red

• To make fabrics appear whiter or brighter

• To make fabrics appear darker

Which type of blue is most suitable for laundry work?

• Indigo Blue

• Ultra-marine Blue

• Aniline Blue

• Turquoise Blue

What is the main function of stiffening agents?

• To make fabrics softer

• To provide stiffness or crispness to fabrics

• To remove stains from fabrics

• To make fabrics waterproof

What is the process of making gum water for stiffening fabrics?

• Boil and dry roots of cassava plant

• Soak crystals or powder of gum Arabic

• Soak clothes in starch solution

• Soak overnight and boil until dissolved

Which type of soaps contain alkali and fat in equal amounts?

• Neutral Soaps

• Liquid Soaps

• Strong Soaps

• Mild Soaps

What is the mechanism involved in the cleaning action of soaps?

• Lowers the surface tension of water

• Emulsifies grease and loosens dirt particles

• Forms a colloidal solution in water

• Absorbs dirt particles and removes them from clothes