Textile Fiber Preparation for Dyeing Quiz
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Questions and Answers

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?

  • Fermentation (correct)
  • Polymerization
  • Distillation
  • Oxidation
  • 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'?

    <p>All of the above</p> Signup and view all the answers

    How do the properties of synthetic dyes compare to natural dyes in terms of color performance and dyeing process control?

    <p>Synthetic dyes have superior properties.</p> Signup and view all the answers

    Which of the following is a characteristic of natural dyes?

    <p>Low color intensity and limited color durability</p> Signup and view all the answers

    What is the main disadvantage of using natural dyes in textile dyeing?

    <p>They require toxic metallic salts called 'mordants'.</p> Signup and view all the answers

    Which of the following sectors was impacted by the development of synthetic dyes?

    <p>All of the above</p> Signup and view all the answers

    What is the main reason for the limited color durability of natural dyes compared to synthetic dyes?

    <p>Natural dyes are more susceptible to fading and degradation.</p> Signup and view all the answers

    Which of the following is a key advantage of synthetic dyes over natural dyes?

    <p>They have better color performance and dyeing process control.</p> Signup and view all the answers

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