Sulphuric acid is used in the refining of petroleum and manufacturing of fibres.
True
The major use of sulphuric acid is in the production of fertilizers, e.g., superphosphate of lime and ammonium sulfate. It is widely used in the manufacture of chemicals, e.g., in making hydrochloric acid, nitric acid, sulfate salts, synthetic detergents, dyes and pigments, explosives, fibres, and drugs. It is used in petroleum refining to wash impurities out of gasoline and other refinery products. Due to its wide range of uses, it is called the king of chemicals.
From the list of uses, we can clearly say that the given statement "sulphuric acid is used in the refining of petroleum and manufacturing of fibres" is a true statement.