Multiple choice Oxy-acids are those, which contain oxygen in their composition contain hydrogen together with other elements contain sulphur contain nitrogen Reveal answer Fill a bubble to check yourself A Correct answer Explanation An oxyacid is an acid that contains an oxygen atom bonded to a hydrogen atom and at least one other elements.e..g.Sulfuric acid (H2SO4), phosphoric acid (H3PO4), and nitric acid (HNO3) are all oxyacids.