A strong acid made by oxidizing solutions of sulfur dioxide and used in large quantities as an industrial and laboratory reagent. The concentrated form is an oily, dense, corrosive liquid.
- Chemical formula: H2SO4
- If the alcohol (with the exception of methanol) is heated with aluminum oxide, phosphoric acid or excess sulphuric acid, an alkene is formed along with a molecule of water.
- The pair had been polishing off rough edges of metal from the inside of the stainless steel cylinder using an electro-plating process of pumping electricity through a solution of sulphuric acid and phosphoric acid.
- Oxidizing acids such as nitric acid or strong sulphuric acid cannot be handled with copper alloys.
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