Sulfuric acid the Hellenistic alchemical works of Zosimos of Panopolis, in the treatise "Phisica et Mystica", and the Leyden papyrus X. Medieval Islamic era alchemists, Jābir ibn Hayyān (c. 721 – c. 815 AD, also known as Geber), Razi (865 – 925 AD), and Jamal Din al-Watwat (d. 1318, wrote the book "Mabāhij al-fikar wa-manāhij al-'ibar"), included vitriol in their mineral classification lists. Ibn Sina focused on its medical uses and different varieties of vitriol. Sulfuric acid was called "oil of vitriol" by medieval European alchemists because it was prepared by roasting "green vitriol" (iron(II) sulfate) in an iron retort. There are
What is this Feeling? and new?/I felt the moment I laid eyes on you/My pulse is rushing/My head is reeling/My face is flushing/What is this feeling?/Fervid as a flame/Does it have a name?"). The irony comes in when phrases traditionally used for love songs are revealed to be expressing hate. When Galinda and Elphaba describe each other, Galinda complains about Elphaba being "utterly impossible to describe", while Elphaba simply calls Galinda "blonde". At the end of the song, Elphaba scares Galinda, by saying "Boo", with Galinda letting out a high-pitched squeal. What is this Feeling? "What is this Feeling?" is a song from the