Q. Fluorescein is an example of
A) Azo dyes
B) Phthalein dyes
C) Triphenyl methane dyes
D) Nitro dyes
Explanation
(b)
Fluorescein is an example of phthalein dye.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.