Sulphuric acid is a substance of very great commercial importance as it is used practically in every important industry. This due to the chemical properties of sulphuric acid. This very reaction with metals & non-metals. It has properties of dehydration, oxidation, reduction and sulphonation etc. 
for example: ${\mathrm{H}}_2{\mathrm{SO}}_4+{\mathrm{PCl}}_5\to \mathrm{A}\stackrel{{\mathrm{H}}_2\mathrm{O}}{\to }\mathrm{B}+\mathrm{C}.$
Where B & C are two strong acids.