Solution :Sulphuric acid is a stronger acid than NITRIC acid, hydrochloric acid and `H_(3)PO_(4)`. All the H-atomsattached to Oxygen atoms in those acids, `H_(2)SO_(4)` has TWOFULLPOSITIVE charge on Sulphur, `H_(2)SO_(4)` form two positive charge then HCl, `HNO_(3)`