Multiple choice general knowledge science & technology

What is Oil Of Vitriol better known as?

  1. Hydrochloric acid

  2. Carbolic Acid

  3. Sulphuric Acid

  4. Acetic Acid
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C Correct answer
Explanation

Oil of Vitriol is the historical common name for sulphuric acid (H2SO4). The name comes from the vitriol (sulfate) minerals used to produce it. Hydrochloric acid is muriatic acid, carbolic acid is phenol, and acetic acid is found in vinegar.

AI explanation

"Oil of Vitriol" is the archaic/alchemical name for Sulphuric Acid (H2SO4), so named because it was historically produced by roasting "green vitriol" (iron sulfate) and other vitriol minerals. Hydrochloric acid was historically called "spirit of salt" or "muriatic acid", carbolic acid refers to phenol, and acetic acid is the acid in vinegar — none of these carry the "Oil of Vitriol" name. Sulphuric Acid is correct.

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