litmus paper
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The best way to confirm that the solution is neutralized is with litmus paper.
From Seattle Times • Nov. 7, 2022
Watson recalls one telling advertising campaign: posters printed on litmus paper that said: “When acid rain is falling, you should see red” – offering a vivid illustration of the problem.
From The Guardian • Oct. 12, 2020
We are not dealing here," said Acheson, "with the kind of situation where we can go from one country to another with a piece of litmus paper and see whether everything is true blue.
From Time Magazine Archive
It is easy enough to say, with Elmer Davis, that eminent piece of journalistic litmus paper, that ex-Communists are bores.
From Time Magazine Archive
Dip a piece of blue litmus paper into the solution, and if it does not turn the paper red add a little more of the gold solution until it does.
From Harper's Round Table, August 20, 1895 by Various
