4 usage of detergents, 1 background of ingredients in modern detergents

Soap is an example of which type of surfactant?
1. Cationic
2. Amphoteric
3. Anionic
4. Nonionic
Sodium Tripolyphosphate is a laundry builder. How does it act uopn hard water ions?
1. Ion exchange
2. Complexing
3. Suspension
4. Precipitation
Which of the following is NOT a function of alkalis
1. Removal of hard water ions
2. Neutralisation of acid soils
3. Providing an alkalinity reserve
4. Soil antiredeposition
Which of the following best describes the mechanism of an optical brightening agent?
1. Suppressing the effect of ultraviolet light
2. Absorbing visible light and emitting ultraviolet light
3. Increasing the reflection of textiles
4. Absorbing ultraviolet light and emitting visible light
Which of the following does NOT exhibit soil antiredeposition properties?
1. Polyvinylpyrrolidone
2. Cellulase
3. Polyanions
4. Carboxymethylcellulose
Which of the following best describes the mechanism of a Protease enzyme?
1. Converts triglycerides to fatty acids
2. Converts proteins to fatty acids
3. Converts proteins to amino acids
4. Converts proteins to sugars
What is the function of a bleach activator?
1. Boosts the power of a bleach
2. Lowers the temperature required for effective bleaching
3. Controls the rate at which bleaching action occurs
4. Activates hydrogen peroxide into chlorine
Which of the following is NOT a function of Chelating agents such as EDTA and NTA?
1. Soil suspension
2. Prevention of enzyme inactivation
3. Stabilisation of peroxygen bleaches
4. Complexing of heavy metal ions
Which laundry component might be EXCLUDED from a coloursafe detergent for coloured fabrics?
1. Enzyme
2. Surfactant
3. Builder
4. OBA
Which laundry component might be specifically INCLUDED in a coloursafe detergent for coloured fabrics?
1. Alkali
2. Builder
3. Polyvinylpyrrolidone
4. Bleach

4 usage of detergents, 1 background of ingredients in modern detergents

Module 4 introduces into the topic of detergents and laundry aids. Chapter 1 provides knowledge about detergents` ingredients, chapter two describes the effects of composition and dosage and chapter 3 is about dosing systems.