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NCAT Practice Test - Practice Test - Chemistry - Industrial Chemistry Quiz

Attempt 10 MCQs on NCAT Practice Test - Practice Test - Chemistry - Industrial Chemistry | Quiz 3

21. Which dyes are water-soluble and bind directly to cellulose?



22. Which dyes chemically react with the substrate to form a permanent bond?



23. Which dyes are used for denim (blue jeans)?



24. Which dyes are used for dyeing polyester fabrics?



25. Which class of dyes contains the -N=N- chromophore?



26. Which dyes need a metallic salt to bind to fabric?



27. Which natural dye is used to color denim?



28. Which dyes are used to enhance whiteness in fabrics?



29. Which class of dyes includes alizarin and many reactive blue dyes?



30. Which synthetic dye is structurally related to porphyrins and gives intense blue color?



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