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Acid test is a qualitative chemical or metallurgical assay which uses acid, or figuratively a definitive test for some attribute, e.g. of a person's character, or of the performance of a product.

Acid test or acid tests may also refer to:

Science and computing

• Acid1, Acid2 and Acid3, test suites for web browsers
• the use of hydrochloric acid to test rock or soil for carbonates within a petrocalcic horizon
• In the classification of a rock's lithology, dilute hydrochloric acid may be used to detect the presence of carbonate minerals

Arts, entertainment and media

• Acid Test (band), a Canadian alternative rock band
• ACID TEST, a John Lennon tribute band of Kazutoshi Sakurai
• "Acid Test", a song by Emma Pollock from the 2007 album Watch the Fireworks
• "The Acid Test", a Radio Five Live programme 1994–97 by Kate Bellingham

Other uses

• Quick ratio, or acid-test ratio, a type of financial liquidity ratio
• Acid Tests, parties in San Francisco in the mid-1960s centered on use of the drug LSD

See also

• Acid (disambiguation)
• Litmus test (disambiguation)
• ACID (atomicity, consistency, isolation, durability), set of properties of database transactions

• Disambiguation pages