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Which of the following is a natural dye?...

Which of the following is a natural dye?

A

Martius yellow

B

Alizarin

C

Phenolphthalein

D

Orange I

Text Solution

Verified by Experts

The correct Answer is:
B
Dyes are the natural or synthetic chemical used to impart colour to fabric plastic, paper etc. including food item for their pleasant appearance. Alizarin (orange red) is extracted from the root of maddar plant also synthesized now days.
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