sulphuric acid - meaning and definition. What is sulphuric acid
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What (who) is sulphuric acid - definition

CHEMICAL COMPOUND
Sulphur Acid; H2SO4; Battery Acid; Sulphuric Acid; Oil of vitriol; Spirit of Vitriol; Oil of Vitriol; Sulfuric(VI) acid; Sulfuric (VI) acid; Vitriolic; Battery acid; Sulfur acid; Vitreol; Sulfuric Acid; Tower acid; Glover acid; Chamber acid; Fertiliser acid; Fertilizer acid; Sulfuric acid chemdata supplement; Aqueous hydrogen sulfide; Sulfuric acids; E513; Dihydrogen sulfate; Dihydrogen sulphate; Dilute sulfuric acid; H₂SO₄; Sulphur acid; Spirit of sulphur; Spirit of sulfur; H2o4s; H2So; H2S04; Vitriolic acid; Dipping acid; Sulphuri acid; Sulphuric acid; Sulfic acid; Spirit of vitriol
  • An experiment that demonstrates the dehydration properties of concentrated sulfuric acid. When concentrated sulfuric acid comes into contact with [[sucrose]], slow carbonification of the sucrose takes place. The reaction is accompanied by the evolution of gaseous products that contribute to the formation of the foamy carbon pillar that rises above the beaker.
  • Acidic [[drain cleaner]]s usually contain sulfuric acid at a high concentration which turns a piece of [[pH paper]] red and chars it instantly, demonstrating both the strong acidic nature and dehydrating property.
  • An acidic [[drain cleaner]] can be used to dissolve grease, hair and even tissue paper inside water pipes.
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  • [[John Dalton]]'s 1808 sulfuric acid molecule shows a central [[sulfur]] atom bonded to three oxygen atoms, or [[sulfur trioxide]], the [[anhydride]] of sulfuric acid.
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  • Rio Tinto]] with its highly acidic water
  • D]]F in place of HF. (see text)
  • Nitrile glove exposed to drops of 98% sulfuric acid for 10 minutes
  • Sulfuric acid production in 2000
  • Superficial chemical burn caused by two 98% sulfuric acid splashes (forearm skin)
  • Drops of 98% sulfuric acid char a piece of tissue paper instantly. Carbon is left after the dehydration reaction staining the paper black.
  • Drops of concentrated sulfuric acid rapidly decompose a piece of cotton towel by dehydration.

sulphuric acid         
Oil of vitriol.
sulphuric acid         
Note: in AM, use 'sulfuric acid'
Sulphuric acid is a colourless, oily, and very powerful acid.
N-UNCOUNT
sulphuric acid         
¦ noun a strong acid made by oxidizing solutions of sulphur dioxide. [H2SO4.]

Wikipedia

Sulfuric acid

Sulfuric acid (American spelling and the preferred IUPAC name) or sulphuric acid (Commonwealth spelling), known in antiquity as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen, and hydrogen, with the molecular formula H2SO4. It is a colorless, odorless, and viscous liquid that is miscible with water.

Pure sulfuric acid does not occur naturally due to its strong affinity to water vapor; it is hygroscopic and readily absorbs water vapor from the air. Concentrated sulfuric acid is highly corrosive towards other materials, from rocks to metals, since it is an oxidant with powerful dehydrating properties. Phosphorus pentoxide is a notable exception in that it is not dehydrated by sulfuric acid but, to the contrary, dehydrates sulfuric acid to sulfur trioxide. Upon addition of sulfuric acid to water, a considerable amount of heat is released; thus, the reverse procedure of adding water to the acid should not be performed since the heat released may boil the solution, spraying droplets of hot acid during the process. Upon contact with body tissue, sulfuric acid can cause severe acidic chemical burns and even secondary thermal burns due to dehydration. Dilute sulfuric acid is substantially less hazardous without the oxidative and dehydrating properties; however, it should still be handled with care for its acidity.

Sulfuric acid is a very important commodity chemical; a country's sulfuric acid production is a good indicator of its industrial strength. It is widely produced with different methods, such as contact process, wet sulfuric acid process, lead chamber process, and some other methods. Sulfuric acid is also a key substance in the chemical industry. It is most commonly used in fertilizer manufacture but is also important in mineral processing, oil refining, wastewater processing, and chemical synthesis. It has a wide range of end applications, including in domestic acidic drain cleaners, as an electrolyte in lead-acid batteries, in dehydrating a compound, and in various cleaning agents. Sulfuric acid can be obtained by dissolving sulfur trioxide in water.

Examples of use of sulphuric acid
1. And there is the question of those sulphuric acid clouds.
2. Their bodies were soaked in sulphuric acid and burned before burial.
3. TATP can be made from common products including sulphuric acid, hydrogen peroxide and acetone.
4. Chemicals, such as sulphuric acid were identified, as were methods for making explosives and poisons.
5. Laboratory tests showed the fog had higher than normal levels of sulphuric acid, but was not harmful.