A. Hydrochloric Acid
A.
B. Sulphuric Acid
B.
C. Nitric Acid
C.
D. Oxalic Acid
D.
Correct Answer: B
সঠিক উত্তর: B
Explanation
ব্যাখ্যা
"Oil of vitriol" is another name for sulfuric acid. Sulfuric acid is a strong, corrosive mineral acid with the chemical formula H₂SO₄. It's known for its viscous nature and historical production from vitriols (certain hydrated sulfates).