Name the source from which litmus solution is obtained. What is the use of this solution?



Litmus solution is obtained from lichens .

A natural dye extracted from lichens is dissolved in distilled water to obtain litmus solution.

It is used as an indicator to distinguish between acids and bases .

  • If the medium is acidic , litmus changes its colour to red .
  • If the medium is basic , litmus changes its colour to blue .
  • If the medium is neutral , there is no change in the colour.

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CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo