Q. Who discovered Oxygen?
Answer: Carl Scheele
Notes: Oxygen was discovered for the first time by a Swedish Chemist, Carl Wilhelm Scheele, in 1772. He called the gas “fire air”. However, the discovery of oxygen is attributed to Joseph Priestly, an English chemist, who independently discovered oxygen in 1774 and published his findings the same year, three years before Scheele published.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 28 in Chemistry-1: Important Chemical Scientists in above course in App.