"A litmus test" means __________ ?
Correct answer: A. A decisively indicative test
- A. A decisively indicative test
- B. False sense of happiness or success
- C. Something that is not understandable
- D. To show dislike or disappointment through facial expressions
Explanation
A “litmus test” is a test that gives a decisive indication of the nature or suitability of something. The expression comes from litmus paper, which indicates acidity or alkalinity by changing colour.
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