Assertion: manganese | /r/HasProperty | treated with sulfuric acid
Facets:
value: to form manganese sulfate
type: PURPOSE
Source sentences:
text: Today, most manganese is still obtained from pyrolusite, although it is usually burned in a furnace with powdered aluminum or is treated with sulfuric acid (H 2 SO 4 ) to form manganese sulfate (MnSO 4 ), which is then electrolyzed.