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


Name the source from which litmus solution is obtained. What is the use of this solution?
Litmus solution is obtained from lichens dissolved in distilled water.
It changes its colour to blue in acidic medium and into red in basic medium.
It changes its colour to red in acidic medium and into blue in basic medium.
Litmus solution is obtained from algae dissolved in distilled water.


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