Home›California Gold Rush›Acid Test🌐ItalianoEnglishEspañolFrançaisItalianoहिन्दी中文日本語EntityQ3519081· pop 5· linked from 13 articlesAcid Testany qualitative chemical or metallurgical assay which uses acid; most commonly, and historically, the use of a strong acid to distinguish gold from base metalsAvailable in 5 languagesEspañolFrançais日本語Italianovia Wikidata sitelinks · CC0ConnectionsgoldEntityInternational Standard Book NumberEntityCategoriesCalifornia Gold RushChemical testsGold rushes