Which of the following is known as oil of vitriol ?
\({H_2SO_4}\)
\({HF}\)
\({ZnSO_4}\)
\({HNO_3}\)
Sulfuric acid (H2SO4) is called as oil of vitriol. Sulphuric acid is a strong acid that is used in industrial processes. The oil of vitriol is due to the oily appearance of the concentrated sulphuric acid.
So, the correct answer is (A): H2SO4
The number of oxygen atoms present in chemical formula of fuming sulphuric acid is _______.