To which class of dyes does phenolphthalein belong?

  • A
    Azo dyes
  • B
    Nitro dyes
  • C
    Triphenyl methane dyes
  • D
    Phthalein dyes

Explore More

Similar Questions

Which of the following is a vat dye and often used in dyeing jeans?

Indigo belongs to the class of

Diazo-coupling is useful to prepare some

Which is the wrong statement with regards to Indigo?

Lithopone,a white pigment,consists of:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo