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  • General Science - 1
  • The incorrect match is
Multiple choice

The incorrect match is

  1. Silk—Polyamide

  2. Indigo - Azo dye

  3. Lipase - Enzyme

  4. Keratin - Protein

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

Indigo is a natural vat dye, not an azo dye. Azo dyes contain the N=N group, which indigo does not.

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