'Discovered separately in the 1770s by British & Swedish chemists, it was found to be a gas by a Frenchman'
Oxygen
CLASSICAL GASES: Discovered separately in the 1770s by British & Swedish chemists, it was found to be a gas by a Frenchman
Discovered separately in the 1770s by British & Swedish chemists, it was found to be a gas by a Frenchman
Discovered separately in the 1770s by British & Swedish chemists, it was found to be a gas by a Frenchman
CLASSICAL GASES
Oxygen
CLASSICAL GASES