Question
What change will you observe if you test soap with litmus paper (red and blue)?
Step 1
Litmus paper is a pH indicator used to test materials for acidity. Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions. Show more…
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If you believed a solution was basic, which color litmus paper (blue or pink) would you use to test the solution to see whether you were correct? What would you observe if you've selected correctly? Why would the other color litmus paper not lead to a conclusive result?
Explain how changes in pH affect the color of an indicator.
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