sulfuric acid

noun

, Chemistry.

a clear, colorless to brownish, dense, oily, corrosive, water-miscible liquid, H 2 SO 4 , usually produced from sulfur dioxide: used chiefly in the manufacture of fertilizers, chemicals, explosives, and dyestuffs and in petroleum refining.

sulfuric acid

A strong corrosive acid. It combines very easily with water, making it a good drying agent. Sulfuric acid is the most widely used acid in industry. It is used to make detergents, dyes, drugs, explosives, pigments, fertilizers, and many other products. It is also the acid in lead-acid electric batteries. Chemical formula: H 2 SO 4 .

First recorded in 1780–90

Evaporate a portion of the extract to dryness and add sulfuric acid to the residue.

If sulfurous acid is present, it will be oxidized to sulfuric acid and precipitated as barium sulfate by the barium chlorid.

A white precipitate of barium sulfate will form if sulfuric acid is present.

Mix a bit of the powder with a small quantity of dry resorcin and add a few drops of concentrated sulfuric acid.

Heat at 200° C. till sulfuric acid fumes begin to come off and only a dry mass remains.

April 19, 2024tortuous

[tawr-choo-uhs ]

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