Which chemist discovered oxygen in 1774, calling it 'dephlogisticated air'?
which chemist discovered oxygen in 1774, calling it 'dephlogisticated air'
FreebaseQA-train-14549.P0 FreebaseQA-train-14549.P1
oxygen oxygen
oxygen oxygen
m.025s6bf m.025s6bf
chemistry.chemical_element.discoverer user.psych0fred.default_domain.discovered_by.person
m.0b0bx
joseph priestley
m.0b0bx
joseph priestley