Acid test or acid tests may refer to:
- Acid test (gold), a chemical or metallurgical test that uses acid, now also a general term for verified, approved, or tested in a large number of fields
- Acid test, within a petrocalcic horizon, the use of hydrochloric acid to test rock or soil for carbonates
- In the classification of a rock's lithology, dilute hydrochloric acid may be used to detect the presence of carbonate minerals
Bands
Other uses
- "Acid Test", a song by Emma Pollock from her album Watch the Fireworks (2007)
- "The Acid Test", a science quiz from 1994 to 1997 on BBC Five Live, hosted by Kate Bellingham
Business
- Quick ratio, also known as acid-test ratio or acid-test liquidity ratio, a measure of a company's cash liquidity
Computing and technology
- Acid1, Acid2 and Acid3, test suites for web browsers
- ACID (atomicity, consistency, isolation, durability) is set of properties of database transactions intended to guarantee validity even in the event of errors
Other uses
- The Acid Tests, parties conducted by the Merry Pranksters, centered on the use of LSD (acid)