Question

Which liquid is called oil of vitriol?

Answer 1

sulphuric acid is called oilof vitriol.it was initialy prepared by distilling green vitriol (feso4.7h2o) and hence the name oil of vitriol

2feso4.7h20------> fe2o3+so2+so3+14 h20

                                                   h2so4+13h2o

Answer 2

Sulphuric acid is called the oil of vitriol. It was called so by mediaeval European alchemist