For 10 points, name this strong acid with formula H2SO4.
This substance is usually formed via DCDA. This compound is the solvent for chromium trioxide in the Jones reagent. A byproduct of pyrite decomposition mixes with water to make this compound. This substance turns sugar black by dehydrating it to form carbon. It is usually made using a (*)  vanadium oxide catalyst. This compound is the most harmful pollutant in runoff from mines. It was formerly produced by the lead chamber method, but is now made in the contact process. This diprotic compound is the acid in lead-acid batteries. For 10 points, name this strong acid with formula H2SO4.
This substance is usually formed via DCDA. This compound is the solvent for chromium trioxide in the Jones reagent.
sulfuric acid [accept H2SO4   until  mentioned]