Difference between revisions of "Litmus test"
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Latest revision as of 12:33, April 9, 2017
Litmus test refers to the use of litmus paper as a pH indicator. It is also a phrase referring to questions designed to determine a person's opinion of social issues.
Chemistry
In chemistry, a piece of litmus paper is placed in a solution. Chemical reactions with acids cause it to turn red, while reactions with alkalines cause it to turn blue.