Wednesday, January 4, 2012

Hydrochloric acid/nitric acid, will one's hydrogen gas make a louder bark?

I have an AP chem lab practical tomorrow and we are given three unknown acids to identify [HNO3, H2SO4, HCl] along with Mg nuggets, CaCO3 powder and matches/wooden splints. How would I identify these acids? If I collect the hydrogen gas from the reaction between magnesium and nitric acid and magnesium and hydrochloric acid will the gas from the HCl reaction make a louder bark? Thanks!

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