Sulphuric
acid
Sulfuric acid
Aqueous solution of H2SO4.
It is a strong acid with a maximum commercial concentration of 98 % by mass. Weak oxidant when cold but a and strong oxidant in hot solutions. Sulphuric acid is very hygroscopic and can be used as a drying agent (desiccant).
Note :
modern textbooks write "sulfate" but older ones write "sulphate".