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Dyes and pigments - class-IX

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Multiple Choice

Different dyes are used for dyeing different materials. Which of the following statements is false?

  1. Nylon can be dyed with acid dyes
  2. Cotton can be directly dyed with malachite green
  3. Terylene is mainly dyed with disperse dyes
  4. Polyacrylonitrile can be dyed with basic dyes
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