Who was the first scientist who named the oxygen gas?

The carbonated water and rubber eraser were also created by the same individual who discovered oxygen gas. He practised orthodox faith. His renowned experiment shows that a flame extinguishes when placed in a jar by itself but continues to burn when a green plant is also present.

The famous French chemist Antoine Lavoisier would soon give the term "oxygen" to the colourless, very reactive gas he dubbed "dephlogisticated air," which was one of them. It is hard to overestimate the significance of Priestley's insight.

Hence, the correct answer is C.