Multiple choice

Which of the following dyes can be used as a disinfectant?

  1. Yellow 2G

  2. Janus green B

  3. Crystal violet

  4. Fuchsine
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fuchsine or rosaniline hydrochloride is a magenta dye .It becomes magenta when dissolved in water; as a solid, it forms dark green crystals. As well as dying textiles, fuchsine is used to stain bacteria and sometimes as a disinfectant.

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