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  • General Science - 3
  • The chemical bond that must be present in azo dyes is
Multiple choice

The chemical bond that must be present in azo dyes is

  1. >C=C<

  2. -N=N-

  3. >C=N-

  4. -O-O-

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

Azo dyes are characterized by the presence of the azo group, which consists of two nitrogen atoms double-bonded to each other (-N=N-).

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