Question

can some one tell does composites produce a sulfuric acid when it erupts or does any volcanoes produce sulfuric acid

please help urgent
DrBob222
There is plenty of SO2 gas which can react with water to produce sulfurous acid, H2SO3. If SO2 get oxidized to SO3, that reacts with H2O to produce H2SO4 but I don't think that usually happens. Here is a web site that gives the common gases.
http://en.wikipedia.org/wiki/Volcanic_gas