Multiple choice

------------------- have affinity for amphoteric fibres.

  1. A solvent dye

  2. A natural dye

  3. An acid dye

  4. A substantive dye

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An acid dye  is soluble in water and possesses affinity for amphoteric fibres while lacking direct dyes' affinity for cellulose fibres.These concentrated, powdered, hot water dyes;  are the best dyes available for silk, wool, cashmere, alpaca, feathers and nylon.