Indigo is a .......

  • A
    Organic dye
  • B
    Organic polymer
  • C
    Detergent
  • D
    Pesticide

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An azo dye is formed by the interaction of an aromatic diazonium chloride with:

Which one is an acidic dye?

Fluorescein is an example of

Which of the following is not a chromophore?

Lithopone,a white pigment,consists of:

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