Multiple choice general knowledge history

The discovery of an artificial mauve dye was soon followed by more colours. Which of these is NOT an artificial dye?

  1. Madder

  2. Fuchsine

  3. Magenta

  4. Solferino
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A Correct answer
Explanation

Madder is a natural red dye derived from the roots of the Rubia tinctorum plant, used for thousands of years before synthetic dyes. Fuchsine, Magenta, and Solferino are all synthetic dyes developed in the mid-19th century following mauveine's discovery, as the chemical dye industry expanded rapidly.

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