Podcast
Questions and Answers
Which of the following is the most well-known and widely used natural dye?
Which of the following is the most well-known and widely used natural dye?
- Mauveine
- Synthetic textile fibers
- Indigo (correct)
- Metallic salts
What is the process used to obtain indigo dye from plant matter?
What is the process used to obtain indigo dye from plant matter?
- Fermentation (correct)
- Polymerization
- Distillation
- Oxidation
What is the purpose of using 'mordants' in the application of natural dyes?
What is the purpose of using 'mordants' in the application of natural dyes?
- To achieve minimal color fastness (correct)
- To reduce environmental risks
- To make the dyes water-soluble
- To improve color intensity
What was the impact of Sir William Henry Perkin's discovery of the first synthetic dye, 'mauveine'?
What was the impact of Sir William Henry Perkin's discovery of the first synthetic dye, 'mauveine'?
How do the properties of synthetic dyes compare to natural dyes in terms of color performance and dyeing process control?
How do the properties of synthetic dyes compare to natural dyes in terms of color performance and dyeing process control?
Which of the following is a characteristic of natural dyes?
Which of the following is a characteristic of natural dyes?
What is the main disadvantage of using natural dyes in textile dyeing?
What is the main disadvantage of using natural dyes in textile dyeing?
Which of the following sectors was impacted by the development of synthetic dyes?
Which of the following sectors was impacted by the development of synthetic dyes?
What is the main reason for the limited color durability of natural dyes compared to synthetic dyes?
What is the main reason for the limited color durability of natural dyes compared to synthetic dyes?
Which of the following is a key advantage of synthetic dyes over natural dyes?
Which of the following is a key advantage of synthetic dyes over natural dyes?
