Multiple choice Which kind of dyes are produced during the process of dyeing? Ingrain Dyes Vat Dyes Acid dyes Basic dyes Reveal answer Fill a bubble to check yourself A Correct answer Explanation They are produced in the fibre itself during dyeing. For example, a cloth is soaked in an alkaline solution of b - naphthol and dipped in a diazonium salt solution. Azodye is produced on the fibre due to coupling.