Multiple choice general knowledge science & technology

Which acid is also known as 'Oil of Vitriol'

  1. Sulfuric

  2. Hydrochloric

  3. Hydroiodic

  4. Nitric
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A Correct answer
Explanation

Sulfuric acid (H2SO4) is historically known as 'Oil of Vitriol.' The term 'vitriol' refers to sulfate salts, and sulfuric acid was the most important. Hydrochloric acid is 'muriatic acid,' and neither hydroiodic nor nitric acid have this common name.

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