Multiple choice general knowledge science & technology

spirit of salt is

  1. H2S04

  2. HCL

  3. H2NO3

  4. CACL2
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Spirit of salt is hydrochloric acid (HCl), named so because it can be produced from common salt (NaCl) and was historically called 'spirit of salt' by alchemists. H2SO4 is sulfuric acid, H2NO3 is not a valid formula, and CaCl2 is calcium chloride.

AI explanation

"Spirit of salt" (also spelled "spirits of salts") is the old alchemical name for hydrochloric acid, HCl, made historically from common salt. H2SO4 (sulfuric acid) was instead historically called "oil of vitriol." The correct answer is HCL, not H2SO4.

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