Chemistry, asked by humaira2, 1 year ago

how does a universal indicator work

Answers

Answered by AryanDeo
33
universal indicator is a mixture of organic dye , which shows different colours with the solution of different pH values. hope this will help you
Hariom2002: Test your citric acid solution
Use one of your droppers to nearly fill 6 wells in your first spot plate with the universal indicator solution. ...
Use your dropper to add 1 drop of citric acid solution to the second well. ...
Compare the color of the liquid to the control and to the Universal Indicator pH Color Chart.
AryanDeo: plzark this as brainliest... if this helped you
Answered by laraibmukhtar55
7

Working of Universal indicator:

  • A universal indicator is mainly a pH indicator prepared of a solution of numerous compounds that shows some flat color variations over a wide variety of pH values to specify the acidity or alkalinity of solutions.  
  • pH indicators sense the presence of H+ and OH-. They do this by rejoining with H+ and OH-: they are themselves weak acids and bases.  

I hope it helped..

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