What is red and blue litmus paper??
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The main difference of them is their reaction to different pH values. Red litmus papers react to basic solutions, whereas blue litmus papers react to acidic solutions. Red litmus changes its color to blue in basic medium, whereas blue litmus changes its color to red in acidic medium
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Explanation:
Litmus is a water-soluble mixture of different dyes extracted from lichens. It is often absorbed onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acidity
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