Answer: -
Sulfuric acid
Explanation: -
The chemical formula of Sulfuric Acid = H₂SO₄
The chemical formula of hydrochloric acid = HCl
In both the cases the concentration of the acid is same.
However from the chemical formula of sulfuric acid we can see that it is a dibasic acid.
So for every mole of sulfuric acid 2 mol of H⁺ would be present.
The above experiment is a type of simple displacement reaction. Thus Mg displaces H⁺ from H₂SO₄ in the above experiment.
Thus if more H⁺ is present, more of Mg reacts in the same amount of time.
Hence the reaction would be faster in sulfuric acid at the start.
