In 1777 french scientist Antoine lavoisier discovered?

Answer 1

Lavoisier proposed a new theory of combustion that excluded phlogiston in 1777. He found that most acids contained breathable air. Lavoisier called it oxygène, from the two Greek words for acid generator.

Answer 2

Antoine Lavoisier, a French scientist, is known for his work in chemistry. He is often referred to as the "Father of Modern Chemistry" for his contributions to the understanding of combustion and the law of conservation of mass. Lavoisier's work laid the foundation for the development of modern chemistry.