Oil of vitriol is

A. Nitric acid
B. Hydrochloric acid
C. Phosphoric acid
D. Sulfuric acid

Check Answer

The correct answer is D. Sulfuric acid.
Oil of vitriol is an old-fashioned name for concentrated sulfuric acid, which is a highly corrosive and strong mineral acid. It has the chemical formula H2SO4 and is commonly used in a variety of industrial processes, such as the production of fertilizers, dyes, detergents, and batteries. The term “oil of vitriol” is believed to have originated from the Latin term “oleum vitrioli”, which means “oil of glass” and refers to the oily appearance of concentrated sulfuric acid. Therefore, option D is the correct answer.
Option A (nitric acid) is a different type of mineral acid that is commonly used in the production of fertilizers, explosives, and dyes. Option B (hydrochloric acid) is a strong, highly corrosive acid that is used in a variety of industrial processes, such as the production of steel, food, and pharmaceuticals. Option C (phosphoric acid) is a weak acid that is commonly used in the production of fertilizers, food additives, and soft drinks.
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